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Diagram of the male pelvic and reproductive organs
The path that sperm takes from production to ejaculation
.Ejaculation is the ejecting of semen (usually carrying sperm) from the male reproductory tract, and is usually accompanied by orgasm.^ In species in which males experience sperm competition, which is the competition between the ejaculates of different males for the fertilization of an ova (Parker, 1970 ), males allocate more resources to sperm production.
  • Do bacterial infections cause reduced ejaculate quality? A meta-analysis of antibiotic treatment of male infertility -- Skau and Folstad 14 (1): 40 -- Behavioral Ecology 3 February 2010 15:18 UTC beheco.oxfordjournals.org [Source type: Academic]

^ Risk-models apply for species in which females usually mate with a single male and sperm competition only occurs in a proportion of the matings, and predict that males should increase ejaculate expenditure when there might be a competitor.
  • Body size of virtual rivals affects ejaculate size in sticklebacks -- Zbinden et al. 15 (1): 137 -- Behavioral Ecology 3 February 2010 15:18 UTC beheco.oxfordjournals.org [Source type: Academic]

^ Pizzari T, Birkhead TR: Female feral fowl eject sperm of subdominant males.
  • BioMed Central | Full text | Female-driven mechanisms, ejaculate size and quality contribute to the lower fertility of sex-ratio distorter males in Drosophila simulans 3 February 2010 15:18 UTC www.biomedcentral.com [Source type: Academic]

It is usually the final stage and natural objective of sexual stimulation, and an essential component of natural conception. .In rare cases ejaculation occurs because of prostatic disease.^ Because ejaculate volume, for a large part, is determined by the production of seminal fluid in the prostate and the seminal vesicles, it should not be affected by immune activity in testes or epididymis.
  • Do bacterial infections cause reduced ejaculate quality? A meta-analysis of antibiotic treatment of male infertility -- Skau and Folstad 14 (1): 40 -- Behavioral Ecology 3 February 2010 15:18 UTC beheco.oxfordjournals.org [Source type: Academic]

^ Infections include, but were not limited to, pelvic inflammatory disease (PID), infertility , and in rare cases, death.
  • Non-Hormonal Birth Control - VaginaPagina 3 February 2010 15:18 UTC www.vaginapagina.com [Source type: FILTERED WITH BAYES]

.Ejaculation may also occur spontaneously during sleep (a nocturnal emission or "wet dream").^ Infectious organisms may interfere with immunosuppression during reproduction and may consequently influence ejaculate production.
  • Do bacterial infections cause reduced ejaculate quality? A meta-analysis of antibiotic treatment of male infertility -- Skau and Folstad 14 (1): 40 -- Behavioral Ecology 3 February 2010 15:18 UTC beheco.oxfordjournals.org [Source type: Academic]

^ Hi, i am a 15 yr old male and i have not had a wet dream or ejaculated, am i like never goin to be able to ejaculate ?
  • Sexual Health Network - credentialed experts providing sexuality education from pleasure and orgasm to sexually transmitted diseases, sexual dysfunction, and sex and disability 3 February 2010 15:18 UTC www.sexualhealth.com [Source type: Original source]

^ It may sound easy to control yourself at the emotional/mental level, but for many men with premature ejaculation this can be very challenging during sex.

Anejaculation is the condition of being unable to ejaculate.

Contents

Phases

Stimulation

A usual precursor to ejaculation is the sexual arousal of the male, leading to the erection of the penis, though not every arousal nor erection leads to ejaculation. .Penile sexual stimulation during vaginal, oral or anal sexual intercourse, or manual stimulation (masturbation) may provide the necessary stimulus for a man to achieve orgasm and ejaculation.^ During sexual intercourse, when I felt the need to ejaculate, I was not able to.
  • Men's Health Office: Blood in the semen 15 September 2009 8:10 UTC blogs.webmd.com [Source type: General]

^ May 16, 2009 10:55 PM [ 0 + Nobody's mentioned this yet, but I just thought I'd point out that when I ejaculate during a great orgasm, I can't tell that I'm doing it - the only evidence is the wet spot on the bed.
  • Ask Professor Foxy: Telling a Lover That You Ejaculate - Feministing 3 February 2010 15:18 UTC www.feministing.com [Source type: FILTERED WITH BAYES]

^ Step Four: Female Ejaculation and Dual Stimulation As you become more and more aroused, an "I need to pee" sensation may sweep through your body.
  • Female Ejaculation - Melrose Urban Female 3 February 2010 15:18 UTC melroseurbanfemale.com [Source type: General]

.Men typically reach orgasm 5-10 minutes after the start of penile-vaginal intercourse, taking into account their desires and those of their partners.^ We think that it would be counterproductive to simply advise members not to use withdrawal, ever, since that doesn't take into account their specific situations and acceptable levels of risk.
  • Non-Hormonal Birth Control - VaginaPagina 3 February 2010 15:18 UTC www.vaginapagina.com [Source type: FILTERED WITH BAYES]

[1][2] .Most men could achieve orgasm sooner or delay it until later if they wished to do so.^ Asking men not to orgasm at the point of no return is a waste of time they still do.

^ During the later parts of the program there are a few exercises that can be completed with the help of a partner if you wish, but they will work just as well when completed alone.

^ They are designed to give you a sense of mental control and confidence that most men never have.

.A prolonged stimulation either through foreplay (kissing, petting and direct stimulation of erogenous zones before penetration during intercourse) or stroking (during masturbation) leads to a good amount of arousal and production of pre-ejaculatory fluid.^ I was having foreplay w/ my girlfriend and she read somewhere that pushing on that area behind the ball sack and before the ass would greatly stimulate me.
  • Men's Health Office: Blood in the semen 15 September 2009 8:10 UTC blogs.webmd.com [Source type: General]

^ While scientific studies discussed here and here show that on its own , pre-ejaculate has not been shown to viable sperm, the possibility remains that, in real life encounters, small amounts of sperm may be present in a male's pre-ejaculatory fluid.
  • Non-Hormonal Birth Control - VaginaPagina 3 February 2010 15:18 UTC www.vaginapagina.com [Source type: FILTERED WITH BAYES]

^ Cervical Fluid --Essentially, during the infertile portions of their cycles, women tend to secrete either no cervical fluid or cervical fluid that is opaque and "sticky."
  • Non-Hormonal Birth Control - VaginaPagina 3 February 2010 15:18 UTC www.vaginapagina.com [Source type: FILTERED WITH BAYES]

.While the presence of sperm in pre-ejaculatory fluid is thought to be rare, sperm from an earlier ejaculation, still present in the urethra, may be picked up by pre-ejaculatory fluid.^ While scientific studies discussed here and here show that on its own , pre-ejaculate has not been shown to viable sperm, the possibility remains that, in real life encounters, small amounts of sperm may be present in a male's pre-ejaculatory fluid.
  • Non-Hormonal Birth Control - VaginaPagina 3 February 2010 15:18 UTC www.vaginapagina.com [Source type: FILTERED WITH BAYES]

^ After ejaculation, how long (MAXIMUM AMOUNT OF TIME) can sperm survive outside the body and still remain viable to cause pregnancy if introduced into the vagina?
  • Sexual Health Network - credentialed experts providing sexuality education from pleasure and orgasm to sexually transmitted diseases, sexual dysfunction, and sex and disability 3 February 2010 15:18 UTC www.sexualhealth.com [Source type: Original source]

^ For example, if a man pulls out successfully and ejaculates, he may have sperm on his penis and genitals, as well as still in his urethra.
  • Non-Hormonal Birth Control - VaginaPagina 3 February 2010 15:18 UTC www.vaginapagina.com [Source type: FILTERED WITH BAYES]

It is important to note that infectious agents (including HIV) often can be present in pre-ejaculate. .Premature ejaculation is the phrase used when ejaculation occurs before the desired time.^ Premature Delayed Blood in semen Ejaculation backwards (retrograde ejaculation) Useful contacts .

^ That's why I'm offering you the full Beating Premature Ejaculation program right now for just $69 (Now just $49 for a limited time!

.If a man is unable to ejaculate in a timely manner after prolonged sexual stimulation, in spite of his desire to do so, it is called delayed ejaculation or anorgasmia.^ If a man is unable to ejaculate in a timely manner after prolonged sexual stimulation, in spite of his desire to do so, it is called delayed ejaculation or anorgasmia .
  • Ejaculation - Psychology Wiki 3 February 2010 15:18 UTC psychology.wikia.com [Source type: Academic]

^ Dramatically prolong sex by delaying ejaculation .
  • Premature Ejaculation Treatment - Stallion 247 3 February 2010 15:18 UTC stallion247.com [Source type: General]

^ "I remember one couple in which the woman would only let the man ejaculate when she was in her fertile period, so the poor chap was going without for almost a month at a time.
  • Scientists say men should ejaculate more | thelondonpaper.com 3 February 2010 15:18 UTC www.thelondonpaper.com [Source type: General]

.An orgasm that is not accompanied by ejaculation is known as a dry orgasm.^ When stimulated with a finger tip this seems to cause considerable and very intense orgasms often accompanied by an ejaculation (of varying proportions) of a fluid that is definitely not urine.
  • Ultrasound nails location of the elusive G spot - life - 20 February 2008 - New Scientist 3 February 2010 15:18 UTC www.newscientist.com [Source type: FILTERED WITH BAYES]

Ejaculation

Ejaculation Educational Demonstration.OGG
Video of an ejaculation.
Ejaculation example
When a man has achieved a sufficient level of stimulation, ejaculation begins. .At that point, under the control of the parasympathetic nervous system, semen containing sperm is produced.^ This is a condition in which the immune system produces antibodies and sensitized lymphocytes against the body's own sperm (Stites et al., 1987 ).
  • Do bacterial infections cause reduced ejaculate quality? A meta-analysis of antibiotic treatment of male infertility -- Skau and Folstad 14 (1): 40 -- Behavioral Ecology 3 February 2010 15:18 UTC beheco.oxfordjournals.org [Source type: Academic]

^ With each ejaculation, approximately 1½ to 2 teaspoons (amounts may vary) of semen is released, containing several hundred million sperm.
  • Sexual Health Network - credentialed experts providing sexuality education from pleasure and orgasm to sexually transmitted diseases, sexual dysfunction, and sex and disability 3 February 2010 15:18 UTC www.sexualhealth.com [Source type: Original source]

^ Adaptive control of copulation duration by males under sperm competition in the mite, Macrocheles muscaedomesticae.

The semen is ejected through the urethra with rhythmic contractions.[3] .These rhythmic contractions are part of the male orgasm.^ These rhythmic contractions are part of the male orgasm.
  • Ejaculation - Psychology Wiki 3 February 2010 15:18 UTC psychology.wikia.com [Source type: Academic]

^ A good quality male supplement should also enhance the function of each of these vital parts of a man's reproductive system: .
  • Increase Semen Production and volume of ejaculate - Want to increase semen volume?Increasing semen production and volume of ejaculate is possible by.. 3 February 2010 15:18 UTC www.rabbithole.fsnet.co.uk [Source type: FILTERED WITH BAYES]

^ The male orgasm: pelvic contractions measured by anal probe.
  • Ejaculation - Psychology Wiki 3 February 2010 15:18 UTC psychology.wikia.com [Source type: Academic]

.They are generated by the bulbospongiosus muscle under the control of a spinal reflex at the level of the spinal nerves S2-4 via the pudendal nerve.^ The truth about you ejaculatory muscles and how they can be controlled with a simple trick .

^ They will show you how to last longer and delay ejaculation by keeping your arousal at a controllable level.

^ It is just a natural reflex and tensing of pelvic muscles that most of us are never taught how to control.

.The typical male orgasm lasts several seconds.^ THE FIRST TIME IT LASTED FOR ABOUT 3 MONTHS AND THE SECONDS FOR ABOUT 9 MONTHS .THE LATER STARTED AROUND 11/07 AND JUST ENDED SEVERAL MONTHS AGO .
  • Men's Health Office: Blood in the semen 15 September 2009 8:10 UTC blogs.webmd.com [Source type: General]

.After the start of orgasm, pulses of semen begin to flow from the urethra, reach a peak discharge and then diminish in flow.^ After the start of orgasm, pulses of semen begin to flow from the urethra, reach a peak discharge and then diminish in flow.
  • Ejaculation - Psychology Wiki 3 February 2010 15:18 UTC psychology.wikia.com [Source type: Academic]

^ Semen begins to spurt from the penis during the first or second contraction of orgasm.
  • Ejaculation - Psychology Wiki 3 February 2010 15:18 UTC psychology.wikia.com [Source type: Academic]

The typical orgasm consists of 10 to 15 contractions, although the man is unlikely to be consciously aware of that many. .Once the first contraction has taken place, ejaculation will continue to completion as an involuntary process.^ I could feel the process of ejaculation taking place but it did not happen.
  • Men's Health Office: Blood in the semen 15 September 2009 8:10 UTC blogs.webmd.com [Source type: General]

^ It will not just teach you to last longer, it will let you take complete control over your ejaculation process ...

At this stage, ejaculation cannot be stopped. .The rate of contractions gradually slows during the orgasm.^ The rate of contractions gradually slows during the orgasm.
  • Ejaculation - Psychology Wiki 3 February 2010 15:18 UTC psychology.wikia.com [Source type: Academic]

^ Semen begins to spurt from the penis during the first or second contraction of orgasm.
  • Ejaculation - Psychology Wiki 3 February 2010 15:18 UTC psychology.wikia.com [Source type: Academic]

^ A small sample study of seven men showed between 26 and 60 percent of the contractions during orgasm were accompanied by a spurt of semen.
  • Ejaculation - Psychology Wiki 3 February 2010 15:18 UTC psychology.wikia.com [Source type: Academic]

.Initial contractions occur at an average interval of 0.6 seconds with an increasing increment of 0.1 seconds per contraction.^ Initial contractions occur at an average interval of 0.6 seconds with an increasing increment of 0.1 seconds per contraction.
  • Ejaculation - Psychology Wiki 3 February 2010 15:18 UTC psychology.wikia.com [Source type: Academic]

^ Number (mean + SE) of sperm stored in the seminal receptacle 96 h after a mating, depending on whether a second interrupted mating with only seminal fluid transfer occurred in the interval .
  • BioMed Central | Full text | Female-driven mechanisms, ejaculate size and quality contribute to the lower fertility of sex-ratio distorter males in Drosophila simulans 3 February 2010 15:18 UTC www.biomedcentral.com [Source type: Academic]

^ As orgasm continues, the contractions become less intense and occur at about two-three seconds intervals.
  • Increase Sperm Volume: how to increase ejaculation. 3 February 2010 15:18 UTC www.yourwebdoc.com [Source type: FILTERED WITH BAYES]

.Contractions of most men proceed at regular rhythmic intervals for the duration of the orgasm.^ Contractions of most men proceed at regular rhythmic intervals for the duration of the orgasm.
  • Ejaculation - Psychology Wiki 3 February 2010 15:18 UTC psychology.wikia.com [Source type: Academic]

^ In a typical orgasm, men experience 4?pes, while most men who take Og?x daily report that their ropes increase significantly ?e up to 12?er orgasm!*" .
  • "Ogoplex - Semen Enhancement - Ejaculate Increaser, Three Bottle Order - 3 months supply - (90) tab: Ultimate Sex, Life, Health, and Sexual Supplements, Enhancements, Vitamins, Lubricants, Stimulants 3 February 2010 15:18 UTC www.esuretrust.biz [Source type: FILTERED WITH BAYES]

^ Men: did you know that most women will reach orgasm during sex if they have twenty minutes of foreplay?

.Many men also experience additional irregular contractions at the conclusion of the orgasm.^ Many men also experience additional irregular contractions at the conclusion of the orgasm.
  • Ejaculation - Psychology Wiki 3 February 2010 15:18 UTC psychology.wikia.com [Source type: Academic]

^ In a typical orgasm, men experience 4?pes, while most men who take Og?x daily report that their ropes increase significantly ?e up to 12?er orgasm!*" .
  • "Ogoplex - Semen Enhancement - Ejaculate Increaser, Three Bottle Order - 3 months supply - (90) tab: Ultimate Sex, Life, Health, and Sexual Supplements, Enhancements, Vitamins, Lubricants, Stimulants 3 February 2010 15:18 UTC www.esuretrust.biz [Source type: FILTERED WITH BAYES]

^ In many cases, the semen analysis yields results that are technically within the "normal" range, yet men may still feel dissatisfied with the contracting power of orgasms, the volume and appearance of their ejaculate, and their fertility.
  • Increase Semen Production and volume of ejaculate - Want to increase semen volume?Increasing semen production and volume of ejaculate is possible by.. 3 February 2010 15:18 UTC www.rabbithole.fsnet.co.uk [Source type: FILTERED WITH BAYES]

[4]
.Ejaculation begins during the first or second contraction of orgasm.^ How much lower would sperm count be in a second ejaculation that occurred within an hour, or perhaps a half hour, of the first?
  • Sexual Health Network - credentialed experts providing sexuality education from pleasure and orgasm to sexually transmitted diseases, sexual dysfunction, and sex and disability 3 February 2010 15:18 UTC www.sexualhealth.com [Source type: Original source]

^ It is far easier for me to ejaculate than to orgasm, and it has been the case that if I have already ejaculated, I nearly cannot orgasm, so sometimes I hold it back to orgasm first and then allow it to flow.
  • Ask Professor Foxy: Telling a Lover That You Ejaculate - Feministing 3 February 2010 15:18 UTC www.feministing.com [Source type: FILTERED WITH BAYES]

^ First of all during my teenage years I could never masturbate to orgasm.
  • Sexual Health Network - credentialed experts providing sexuality education from pleasure and orgasm to sexually transmitted diseases, sexual dysfunction, and sex and disability 3 February 2010 15:18 UTC www.sexualhealth.com [Source type: Original source]

.For most men the first spurt occurs during the second contraction.^ Semen begins to spurt from the penis during the first or second contraction of orgasm.
  • Ejaculation - Psychology Wiki 3 February 2010 15:18 UTC psychology.wikia.com [Source type: Academic]

^ For most men the first spurt occurs during the second contraction.
  • Ejaculation - Psychology Wiki 3 February 2010 15:18 UTC psychology.wikia.com [Source type: Academic]

^ During climax , the ejaculate is expelled from the penis in a series of spurts caused by rhythmic contractions, about 1 second apart, of the pelvic muscles.
  • Ejaculation Problems, Ejaculation Disorders,Premature Ejaculation 3 February 2010 15:18 UTC www.theturekclinic.com [Source type: Academic]

.The first or second spurt is typically the largest and can contain 40 percent or more of the total ejaculate volume.^ How much lower would sperm count be in a second ejaculation that occurred within an hour, or perhaps a half hour, of the first?
  • Sexual Health Network - credentialed experts providing sexuality education from pleasure and orgasm to sexually transmitted diseases, sexual dysfunction, and sex and disability 3 February 2010 15:18 UTC www.sexualhealth.com [Source type: Original source]

^ Hi, I find that I do not ejaculate enough and the sperm comes out thick and does not spray..Is there any medication or tecnique to make the sperm more liquid and more volume?
  • Sexual Health Network - credentialed experts providing sexuality education from pleasure and orgasm to sexually transmitted diseases, sexual dysfunction, and sex and disability 3 February 2010 15:18 UTC www.sexualhealth.com [Source type: Original source]

^ Semen volume is the total volume of an ejaculate and is classified as normal above 2.0 ml.
  • Do bacterial infections cause reduced ejaculate quality? A meta-analysis of antibiotic treatment of male infertility -- Skau and Folstad 14 (1): 40 -- Behavioral Ecology 3 February 2010 15:18 UTC beheco.oxfordjournals.org [Source type: Academic]

After this peak the flow of each pulse diminishes. .When the flow ends, the muscle contractions of the orgasm continue with no additional semen discharge.^ He still has a orgasm but there is NO semen.
  • Sexual Health Network - credentialed experts providing sexuality education from pleasure and orgasm to sexually transmitted diseases, sexual dysfunction, and sex and disability 3 February 2010 15:18 UTC www.sexualhealth.com [Source type: Original source]

^ I ejaculate for some reason there is a "jello" type discharge in addition to the liquid part of my semen.
  • Sexual Health Network - credentialed experts providing sexuality education from pleasure and orgasm to sexually transmitted diseases, sexual dysfunction, and sex and disability 3 February 2010 15:18 UTC www.sexualhealth.com [Source type: Original source]

.A small sample study of seven men showed an average of 7 spurts of semen (range between 5 and 10) followed by an average of 10 more contractions with no semen expelled (range between 5 and 23).^ A semen sample has normal motility if more than 50% of the spermatozoa show forward progression.
  • Do bacterial infections cause reduced ejaculate quality? A meta-analysis of antibiotic treatment of male infertility -- Skau and Folstad 14 (1): 40 -- Behavioral Ecology 3 February 2010 15:18 UTC beheco.oxfordjournals.org [Source type: Academic]

^ However, because all samples were treated in exactly the same manner, we believe that the differences observed between fertile and subfertile men are real.
  • Homocysteine, glutathione and related thiols affect fertility parameters in the (sub)fertile couple -- Ebisch et al. 21 (7): 1725 -- Human Reproduction 3 February 2010 15:18 UTC humrep.oxfordjournals.org [Source type: Academic]

^ A semen sample with more than 15% cells with normal morphology is classified as normal.
  • Do bacterial infections cause reduced ejaculate quality? A meta-analysis of antibiotic treatment of male infertility -- Skau and Folstad 14 (1): 40 -- Behavioral Ecology 3 February 2010 15:18 UTC beheco.oxfordjournals.org [Source type: Academic]

.This study also found a high correlation between number of spurts of semen and total ejaculate volume, i.e, larger semen volumes resulted from additional pulses of semen rather than larger individual spurts.^ Semen volume is the total volume of an ejaculate and is classified as normal above 2.0 ml.
  • Do bacterial infections cause reduced ejaculate quality? A meta-analysis of antibiotic treatment of male infertility -- Skau and Folstad 14 (1): 40 -- Behavioral Ecology 3 February 2010 15:18 UTC beheco.oxfordjournals.org [Source type: Academic]

^ Sperm nuclei were then stained with DAPI (which marks all sperm, dead and alive) introduced by capillarity between the slide and the coverslide, which allows to measure the total number of sperm.
  • BioMed Central | Full text | Female-driven mechanisms, ejaculate size and quality contribute to the lower fertility of sex-ratio distorter males in Drosophila simulans 3 February 2010 15:18 UTC www.biomedcentral.com [Source type: Academic]

^ Direct comparisons of the results of other studies are often difficult because of the differences in the methods used for the processing and analysis of semen.
  • Homocysteine, glutathione and related thiols affect fertility parameters in the (sub)fertile couple -- Ebisch et al. 21 (7): 1725 -- Human Reproduction 3 February 2010 15:18 UTC humrep.oxfordjournals.org [Source type: Academic]

[5] .Men who volunteer for such studies might be proud of their orgasms and therefore have disproportionately more robust orgasms than the average.^ It is worth noting that as second mate, SR males produce on average more female offspring (carrying the X SR chromosome) than the first ST mate.
  • BioMed Central | Full text | Female-driven mechanisms, ejaculate size and quality contribute to the lower fertility of sex-ratio distorter males in Drosophila simulans 3 February 2010 15:18 UTC www.biomedcentral.com [Source type: Academic]

^ Such tests examine whether the results of a study reflect a single underlying effect rather than a distribution of effects.
  • Do bacterial infections cause reduced ejaculate quality? A meta-analysis of antibiotic treatment of male infertility -- Skau and Folstad 14 (1): 40 -- Behavioral Ecology 3 February 2010 15:18 UTC beheco.oxfordjournals.org [Source type: Academic]

^ In this study we used a weighted average of the results, in which the larger trials aregiven more influence than that of the smaller ones.
  • Do bacterial infections cause reduced ejaculate quality? A meta-analysis of antibiotic treatment of male infertility -- Skau and Folstad 14 (1): 40 -- Behavioral Ecology 3 February 2010 15:18 UTC beheco.oxfordjournals.org [Source type: Academic]

Alfred Kinsey measured the distance of ejaculation, in "some hundred" of men. .In three-quarters of men, the semen exuded of the penis, "In other males the semen may be propelled from a matter of some inches to foot or two, or even as far as five or six (rarely eight) feet".[6] Masters and Johnson report ejaculation distance to be not greater than 30–60 cm.^ May 16, 2009 11:16 AM [ 0 + I am a female ejaculator and I have yet to find a lover who thinks it's anything other than hot as hell.
  • Ask Professor Foxy: Telling a Lover That You Ejaculate - Feministing 3 February 2010 15:18 UTC www.feministing.com [Source type: FILTERED WITH BAYES]

^ I am 16 years old, and I have a question about how much semen a male my age is supposed to produce when ejaculating, and what it is supposed to look like.
  • Sexual Health Network - credentialed experts providing sexuality education from pleasure and orgasm to sexually transmitted diseases, sexual dysfunction, and sex and disability 3 February 2010 15:18 UTC www.sexualhealth.com [Source type: Original source]

^ Some only shoot a few inches, others several feet but it seems like every guy shoots as if under pressure, ....
  • Sexual Health Network - credentialed experts providing sexuality education from pleasure and orgasm to sexually transmitted diseases, sexual dysfunction, and sex and disability 3 February 2010 15:18 UTC www.sexualhealth.com [Source type: Original source]

[7]. .Distance of ejaculation however, has nothing to do with sexual functioning, as during penetration of penis in vagina the distance of ejaculation plays no role.^ Some women naturally ejaculate during and after intense G-Spot or clitoral stimulation; however, some women benefit more from dual stimulation: simultaneous G-Spot and clitoral stimulation.
  • Female Ejaculation - Melrose Urban Female 3 February 2010 15:18 UTC melroseurbanfemale.com [Source type: General]

^ When i cum/ejaculate into my girlfriends vagina there is a problem when i take my penis out.
  • Sexual Health Network - credentialed experts providing sexuality education from pleasure and orgasm to sexually transmitted diseases, sexual dysfunction, and sex and disability 3 February 2010 15:18 UTC www.sexualhealth.com [Source type: Original source]

^ During sexual intercourse, when I felt the need to ejaculate, I was not able to.
  • Men's Health Office: Blood in the semen 15 September 2009 8:10 UTC blogs.webmd.com [Source type: General]

Dribbling of semen from the penis is usually sufficient for impregnation.

Refractory period

.Most men experience a refractory period immediately following an orgasm, during which time they are unable to achieve another erection, and a longer period again before they are capable of achieving another ejaculation.^ As Planned Parenthood suggests, the withdrawal method is really most effective for partners who have self-control, experience and trust because "[t]he men who use withdrawal must be able to know when they are reaching ejaculatory inevitability."
  • Non-Hormonal Birth Control - VaginaPagina 3 February 2010 15:18 UTC www.vaginapagina.com [Source type: FILTERED WITH BAYES]

^ May 16, 2009 1:22 PM [ 0 + actually, most women are capable of ejaculating.
  • Ask Professor Foxy: Telling a Lover That You Ejaculate - Feministing 3 February 2010 15:18 UTC www.feministing.com [Source type: FILTERED WITH BAYES]

^ After I ejaculate my penis hurts if I have another erection.
  • Sexual Health Network - credentialed experts providing sexuality education from pleasure and orgasm to sexually transmitted diseases, sexual dysfunction, and sex and disability 3 February 2010 15:18 UTC www.sexualhealth.com [Source type: Original source]

The duration of the refractory period varies considerably, even for a given individual. .Age affects the recovery time, with younger men typically recovering faster than older men, though not universally so.^ This type of surgery tends to have a longer recovery time than other options, and it leaves a scar.
  • Non-Hormonal Birth Control - VaginaPagina 3 February 2010 15:18 UTC www.vaginapagina.com [Source type: FILTERED WITH BAYES]

^ And yes, the men that are down with it are 10 times better in bed than the men who aren't.
  • Ask Professor Foxy: Telling a Lover That You Ejaculate - Feministing 3 February 2010 15:18 UTC www.feministing.com [Source type: FILTERED WITH BAYES]

[7]
.However, some men are able to achieve sufficient sexual arousal immediately after ejaculation, and others may have refractory periods of less than 15 minutes.^ May 16, 2009 11:16 AM [ 0 + I am a female ejaculator and I have yet to find a lover who thinks it's anything other than hot as hell.
  • Ask Professor Foxy: Telling a Lover That You Ejaculate - Feministing 3 February 2010 15:18 UTC www.feministing.com [Source type: FILTERED WITH BAYES]

^ However, they measured GSH in seminal plasma after centrifugation of the total ejaculate, in which spermatozoa and other cell materials were removed.
  • Homocysteine, glutathione and related thiols affect fertility parameters in the (sub)fertile couple -- Ebisch et al. 21 (7): 1725 -- Human Reproduction 3 February 2010 15:18 UTC humrep.oxfordjournals.org [Source type: Academic]

^ Other women may feel somewhat threatened by the ability of some women to do this because it is something that they have heard porn stars do and men like and, of course, they don't want it to become expected because then it could become a shortcoming that their bodies do not do this.
  • Ask Professor Foxy: Telling a Lover That You Ejaculate - Feministing 3 February 2010 15:18 UTC www.feministing.com [Source type: FILTERED WITH BAYES]

.A short recovery period may allow them to seamlessly continue sexual play from one ejaculation to sexual stimulation in preparation for the next.^ Step Four: Female Ejaculation and Dual Stimulation As you become more and more aroused, an "I need to pee" sensation may sweep through your body.
  • Female Ejaculation - Melrose Urban Female 3 February 2010 15:18 UTC melroseurbanfemale.com [Source type: General]

^ May 16, 2009 6:01 PM [ 0 + I'm capable of female ejaculation (only with g-spot stimulation; the vibrator just doesn't cut it) and I wouldn't ever insist "everyone is capable".
  • Ask Professor Foxy: Telling a Lover That You Ejaculate - Feministing 3 February 2010 15:18 UTC www.feministing.com [Source type: FILTERED WITH BAYES]

^ May 17, 2009 12:47 PM [ 0 + Your sexuality teacher meant that "actual" ejaculation must include semen.
  • Ask Professor Foxy: Telling a Lover That You Ejaculate - Feministing 3 February 2010 15:18 UTC www.feministing.com [Source type: FILTERED WITH BAYES]

.However, other men are averse to stimulation during the early part of the refractory period.^ Some women naturally ejaculate during and after intense G-Spot or clitoral stimulation; however, some women benefit more from dual stimulation: simultaneous G-Spot and clitoral stimulation.
  • Female Ejaculation - Melrose Urban Female 3 February 2010 15:18 UTC melroseurbanfemale.com [Source type: General]

.There are men who are able to achieve multiple orgasms, with or without the typical sequence of ejaculation and refractory period.^ It is not recommended for people who are sexually inexperienced, for men who ejaculate prematurely, or for men who don't know when to pull out.
  • Non-Hormonal Birth Control - VaginaPagina 3 February 2010 15:18 UTC www.vaginapagina.com [Source type: FILTERED WITH BAYES]

^ Many women and men who suffer from allergies and sensitivities to latex are able to use female condoms without issue.
  • Non-Hormonal Birth Control - VaginaPagina 3 February 2010 15:18 UTC www.vaginapagina.com [Source type: FILTERED WITH BAYES]

^ Studies of identical and non-identical twins also support the idea that there may be physiological differences between women who do and don't experience vaginal orgasms.
  • Ultrasound nails location of the elusive G spot - life - 20 February 2008 - New Scientist 3 February 2010 15:18 UTC www.newscientist.com [Source type: FILTERED WITH BAYES]

Some of those men report not noticing refractory periods, or are able to maintain erection by "sustaining sexual activity with a full erection until they passed their refractory time for orgasm when they proceeded to have a second or third orgasm".[8]

Volume

.The force and amount of semen that will be ejected during an ejaculation will vary widely between men and may contain between 0.1 and 10 milliliters.^ Men do not ejaculate during the prostate exam.
  • Men's Health Office: Blood in the semen 15 September 2009 8:10 UTC blogs.webmd.com [Source type: General]

^ According to the World Health Organization, leukocytospermia is defined as the presence of more than 10 6 white blood cells per milliliter semen.
  • Do bacterial infections cause reduced ejaculate quality? A meta-analysis of antibiotic treatment of male infertility -- Skau and Folstad 14 (1): 40 -- Behavioral Ecology 3 February 2010 15:18 UTC beheco.oxfordjournals.org [Source type: Academic]

^ Infectious organisms may interfere with immunosuppression during reproduction and may consequently influence ejaculate production.
  • Do bacterial infections cause reduced ejaculate quality? A meta-analysis of antibiotic treatment of male infertility -- Skau and Folstad 14 (1): 40 -- Behavioral Ecology 3 February 2010 15:18 UTC beheco.oxfordjournals.org [Source type: Academic]

[9] (By way of comparison, note that a teaspoon is 5 ml and a tablespoon holds 15 ml.) .Adult semen volume is affected by the time that has passed since the previous ejaculation; larger semen volumes are seen with greater durations of abstinence.^ Semen volume is the total volume of an ejaculate and is classified as normal above 2.0 ml.
  • Do bacterial infections cause reduced ejaculate quality? A meta-analysis of antibiotic treatment of male infertility -- Skau and Folstad 14 (1): 40 -- Behavioral Ecology 3 February 2010 15:18 UTC beheco.oxfordjournals.org [Source type: Academic]

^ Really not a problem for my partner, but it is of great concern to me because i think i should have a greater volume of ejaculation fluid.
  • Sexual Health Network - credentialed experts providing sexuality education from pleasure and orgasm to sexually transmitted diseases, sexual dysfunction, and sex and disability 3 February 2010 15:18 UTC www.sexualhealth.com [Source type: Original source]

^ Also the last time i ejaculate there is only very little semen came out and it doesnt really sho ....
  • Sexual Health Network - credentialed experts providing sexuality education from pleasure and orgasm to sexually transmitted diseases, sexual dysfunction, and sex and disability 3 February 2010 15:18 UTC www.sexualhealth.com [Source type: Original source]

.It is not clear whether frequent ejaculation increases[10], reduces[11] or has no effect[12] on the risk of prostate cancer.^ Relying on both forms of stimulation will, no doubt, increase your pleasure and your chance of ejaculating.
  • Female Ejaculation - Melrose Urban Female 3 February 2010 15:18 UTC melroseurbanfemale.com [Source type: General]

^ In case of sperm competition, several studies have shown that segregation distorters reduce the competitive ability of males [ 10 - 12 ].
  • BioMed Central | Full text | Female-driven mechanisms, ejaculate size and quality contribute to the lower fertility of sex-ratio distorter males in Drosophila simulans 3 February 2010 15:18 UTC www.biomedcentral.com [Source type: Academic]

^ Effects of risks of sperm competition on the numbers of eupyrene and apyrene sperm ejaculated by the moth Plodia interpunctella (Lepidoptera: Pyralidae).

.The duration of the stimulation leading up to the ejaculation can affect the volume.^ Vasectomies do not interfere with the male's hormones or the consistency and volume of his ejaculate (as sperm does not make up the bulk of ejaculate).
  • Non-Hormonal Birth Control - VaginaPagina 3 February 2010 15:18 UTC www.vaginapagina.com [Source type: FILTERED WITH BAYES]

^ Because ejaculate volume, for a large part, is determined by the production of seminal fluid in the prostate and the seminal vesicles, it should not be affected by immune activity in testes or epididymis.
  • Do bacterial infections cause reduced ejaculate quality? A meta-analysis of antibiotic treatment of male infertility -- Skau and Folstad 14 (1): 40 -- Behavioral Ecology 3 February 2010 15:18 UTC beheco.oxfordjournals.org [Source type: Academic]

[13] .Abnormally low volume is known as hypospermia, though it is normal for the amount of semen to diminish with age.^ Semen volume is the total volume of an ejaculate and is classified as normal above 2.0 ml.
  • Do bacterial infections cause reduced ejaculate quality? A meta-analysis of antibiotic treatment of male infertility -- Skau and Folstad 14 (1): 40 -- Behavioral Ecology 3 February 2010 15:18 UTC beheco.oxfordjournals.org [Source type: Academic]

Quality

.The number of sperm in an ejaculation also varies widely, depending on many factors, including the time since the last ejaculation,[14] age, stress levels,[15] and testosterone.^ After ejaculation, how long (MAXIMUM AMOUNT OF TIME) can sperm survive outside the body and still remain viable to cause pregnancy if introduced into the vagina?
  • Sexual Health Network - credentialed experts providing sexuality education from pleasure and orgasm to sexually transmitted diseases, sexual dysfunction, and sex and disability 3 February 2010 15:18 UTC www.sexualhealth.com [Source type: Original source]

^ Last night I had sex with my boyfriend, not for the first time, but he ejaculated inside of me for the first time.
  • Sexual Health Network - credentialed experts providing sexuality education from pleasure and orgasm to sexually transmitted diseases, sexual dysfunction, and sex and disability 3 February 2010 15:18 UTC www.sexualhealth.com [Source type: Original source]

^ In the first case, the quality of the ejaculate should not be affected and the impact on the fertility of SR males is expected to depend on whether the number of sperm produced is a limiting factor in D. simulans .
  • BioMed Central | Full text | Female-driven mechanisms, ejaculate size and quality contribute to the lower fertility of sex-ratio distorter males in Drosophila simulans 3 February 2010 15:18 UTC www.biomedcentral.com [Source type: Academic]

.An unusually low sperm count, not the same as low semen volume, is known as oligospermia, and the absence of any sperm from the semen is termed azoospermia.^ Do i have low sperm count?
  • Sexual Health Network - credentialed experts providing sexuality education from pleasure and orgasm to sexually transmitted diseases, sexual dysfunction, and sex and disability 3 February 2010 15:18 UTC www.sexualhealth.com [Source type: Original source]

^ I am very worried.i am sending you my semen analysis.please check volume 3.6ml total sperm count 52 million/ml motility after 1/2 hour active 40% sluggish 20% dead 4 ....
  • Sexual Health Network - credentialed experts providing sexuality education from pleasure and orgasm to sexually transmitted diseases, sexual dysfunction, and sex and disability 3 February 2010 15:18 UTC www.sexualhealth.com [Source type: Original source]

^ The trials were classified according to their different outcome measurements: sperm counts, motility, morphology, ejaculate volume, and the release of leukocytospermia.
  • Do bacterial infections cause reduced ejaculate quality? A meta-analysis of antibiotic treatment of male infertility -- Skau and Folstad 14 (1): 40 -- Behavioral Ecology 3 February 2010 15:18 UTC beheco.oxfordjournals.org [Source type: Academic]

Development

During puberty

.The first ejaculation in males often occurs about 12 months after the onset of puberty, generally through masturbation or nocturnal emission (wet dreams).^ However, about 3 weeks ago it began occuring everytime I ejaculated.
  • Men's Health Office: Blood in the semen 15 September 2009 8:10 UTC blogs.webmd.com [Source type: General]

^ How much lower would sperm count be in a second ejaculation that occurred within an hour, or perhaps a half hour, of the first?
  • Sexual Health Network - credentialed experts providing sexuality education from pleasure and orgasm to sexually transmitted diseases, sexual dysfunction, and sex and disability 3 February 2010 15:18 UTC www.sexualhealth.com [Source type: Original source]

^ In our study, the differential release observed between driving and non-driving males clearly depends primarily on the properties of their ejaculates as first mate.
  • BioMed Central | Full text | Female-driven mechanisms, ejaculate size and quality contribute to the lower fertility of sex-ratio distorter males in Drosophila simulans 3 February 2010 15:18 UTC www.biomedcentral.com [Source type: Academic]

This first semen volume is small. .The typical ejaculation over the following three months produces less than 1 ml of semen.^ "Ogoplex - Semen Enhancement - Ejaculate Increaser, Three Bottle Order - 3 months supply - (90) tab .
  • "Ogoplex - Semen Enhancement - Ejaculate Increaser, Three Bottle Order - 3 months supply - (90) tab: Ultimate Sex, Life, Health, and Sexual Supplements, Enhancements, Vitamins, Lubricants, Stimulants 3 February 2010 15:18 UTC www.esuretrust.biz [Source type: FILTERED WITH BAYES]

^ "Ogoplex - Semen Enhancement - Ejaculate Increaser, Three Bottle Order - 3 months supply - (90) tab: Ultimate Sex, Life, Health, and Sexual Supplements, Enhancements, Vitamins, Lubricants, Stimulants Product Categories .
  • "Ogoplex - Semen Enhancement - Ejaculate Increaser, Three Bottle Order - 3 months supply - (90) tab: Ultimate Sex, Life, Health, and Sexual Supplements, Enhancements, Vitamins, Lubricants, Stimulants 3 February 2010 15:18 UTC www.esuretrust.biz [Source type: FILTERED WITH BAYES]

^ "Master-Of-Ejaculation" cures premature ejaculation once for all by following three-faceted approach.

The semen produced during early puberty is also typically clear. .After ejaculation this early semen remains jellylike and, unlike semen from mature males, fails to liquify.^ I am 16 years old, and I have a question about how much semen a male my age is supposed to produce when ejaculating, and what it is supposed to look like.
  • Sexual Health Network - credentialed experts providing sexuality education from pleasure and orgasm to sexually transmitted diseases, sexual dysfunction, and sex and disability 3 February 2010 15:18 UTC www.sexualhealth.com [Source type: Original source]

^ Pre-ejaculate is a fluid that does not originate from the testicles and that is used primarily for lubrication of the male's urethra to prepare for the release of semen.
  • Non-Hormonal Birth Control - VaginaPagina 3 February 2010 15:18 UTC www.vaginapagina.com [Source type: FILTERED WITH BAYES]

A summary of semen development is shown in Table 1.
.Most first ejaculations (90 percent) lack sperm.^ How much lower would sperm count be in a second ejaculation that occurred within an hour, or perhaps a half hour, of the first?
  • Sexual Health Network - credentialed experts providing sexuality education from pleasure and orgasm to sexually transmitted diseases, sexual dysfunction, and sex and disability 3 February 2010 15:18 UTC www.sexualhealth.com [Source type: Original source]

^ Guys are usually up for sexually pleasing their honeys, and most men approach female ejaculation for the first time with an open mind.
  • Helping a Woman to Ejaculate Successfully | Tantra.com 3 February 2010 15:18 UTC www.tantra.com [Source type: General]

^ The continuous output of sperm from the SSTs translates into an advantage of the ejaculate that is numerically most represented in the SSTs [ 11 ].
  • BioMed Central | Full text | Sperm competition dynamics: ejaculate fertilising efficiency changes differentially with time. 3 February 2010 15:18 UTC www.biomedcentral.com [Source type: Academic]

.Of the few early ejaculations that do contain sperm, the majority of sperm (97%) lack motion.^ In your archived responses, you have mentioned a possibility that pre-ejaculate fluid contains sperm.
  • Sexual Health Network - credentialed experts providing sexuality education from pleasure and orgasm to sexually transmitted diseases, sexual dysfunction, and sex and disability 3 February 2010 15:18 UTC www.sexualhealth.com [Source type: Original source]

^ We found that males with full sibling sperm competition rivals produced ejaculates containing sperm of similar viability as did males with non-sibling sperm competition rivals ( Table 1 , Figure 1 ).
  • PLoS ONE: Rival Male Relatedness Does Not Affect Ejaculate Allocation as Predicted by Sperm Competition Theory 3 February 2010 15:18 UTC www.plosone.org [Source type: Academic]

^ Seminal fluids may function to activate and/or nourish sperm during transportation and thereby influence the viability of sperm contained in the ejaculate.
  • PLoS ONE: Rival Male Relatedness Does Not Affect Ejaculate Allocation as Predicted by Sperm Competition Theory 3 February 2010 15:18 UTC www.plosone.org [Source type: Academic]

The remaining sperm (3%) have abnormal motion.[16]
.As the male proceeds through puberty, the semen develops mature characteristics with increasing quantities of normal sperm.^ Theories on sperm competition expect males under high risk of sperm competition to increase ejaculate size.
  • Body size of virtual rivals affects ejaculate size in sticklebacks -- Zbinden et al. 15 (1): 137 -- Behavioral Ecology 3 February 2010 15:18 UTC beheco.oxfordjournals.org [Source type: Academic]

^ Mack PD, Priest NK, Promislow DEL: Female age and sperm competition: last-male precedence declines as female age increases.
  • BioMed Central | Full text | Female-driven mechanisms, ejaculate size and quality contribute to the lower fertility of sex-ratio distorter males in Drosophila simulans 3 February 2010 15:18 UTC www.biomedcentral.com [Source type: Academic]

^ Male crickets increase sperm number in relation to competition and female size.
  • Body size of virtual rivals affects ejaculate size in sticklebacks -- Zbinden et al. 15 (1): 137 -- Behavioral Ecology 3 February 2010 15:18 UTC beheco.oxfordjournals.org [Source type: Academic]

.Semen produced 12 to 14 months after the first ejaculation liquifies after a short period of time.^ Some women experience complications within the first few months including, but not limited to, cramping, spotting, irregular periods, dizziness, and expulsion.
  • Non-Hormonal Birth Control - VaginaPagina 3 February 2010 15:18 UTC www.vaginapagina.com [Source type: FILTERED WITH BAYES]

^ Again there is no pain whatsoever, today I ejaculated with just a little blood, and then again when I urinated blood came out like the first time any advice?
  • Men's Health Office: Blood in the semen 15 September 2009 8:10 UTC blogs.webmd.com [Source type: General]

^ My husband (38 yrs old) has been unable to produce semen the past two times we have had sex.
  • Sexual Health Network - credentialed experts providing sexuality education from pleasure and orgasm to sexually transmitted diseases, sexual dysfunction, and sex and disability 3 February 2010 15:18 UTC www.sexualhealth.com [Source type: Original source]

.Within 24 months of the first ejaculation, the semen volume and the quantity and characteristics of the sperm match that of adult male semen.^ Theories on sperm competition expect males under high risk of sperm competition to increase ejaculate size.
  • Body size of virtual rivals affects ejaculate size in sticklebacks -- Zbinden et al. 15 (1): 137 -- Behavioral Ecology 3 February 2010 15:18 UTC beheco.oxfordjournals.org [Source type: Academic]

^ Once you start taking Spermomax , you will notice your sperm, stamina, and pleasure increasing within the first week.
  • Increase Your Semen Volume | Shoot Huge Quantity Cum | Ejaculate More | Enhance Climax Orgasms More Sperm 3 February 2010 15:18 UTC maxsemenpills.com [Source type: General]

^ In other words, each hen was successively inseminated with the sperm of all five male pairs within the same treatment.
  • BioMed Central | Full text | Sperm competition dynamics: ejaculate fertilising efficiency changes differentially with time. 3 February 2010 15:18 UTC www.biomedcentral.com [Source type: Academic]

[16]
Semen development during puberty
Time after first
ejaculation (months)
Average volume
(milliliter)
Liquefaction Average sperm concentration
(million sperm/milliliter)
0 0.5 Noa 0
6 1.0 Noa 20
12 2.5 No/Yesb 50
18 3.0 Yesc 70
24 3.5 Yesc 300
^a Ejaculate is jellylike and fails to liquify.
^b Most samples liquify. Some remain jellylike.
.^c Ejaculate liquifies within an hour.^ How much lower would sperm count be in a second ejaculation that occurred within an hour, or perhaps a half hour, of the first?
  • Sexual Health Network - credentialed experts providing sexuality education from pleasure and orgasm to sexually transmitted diseases, sexual dysfunction, and sex and disability 3 February 2010 15:18 UTC www.sexualhealth.com [Source type: Original source]

Control from the central nervous system

.To map the neuronal activation of the brain during the ejaculatory response, researchers have studied the expression of c-fos, a proto-oncogene expressed in neurons in response to stimulation by hormones and neurotransmitters.^ It acts as a neurotransmitter that regulates the level of excitement of neurons in the brain.
  • Premature Ejaculation Treatment - Stallion 247 3 February 2010 15:18 UTC stallion247.com [Source type: General]

[17] Expression of c-fos in the following areas has been observed:[18][19]
  • medial preoptic area (MPOA)
  • lateral septum, bed nucleus of the stria terminalis
  • paraventricular nucleus of the hypothalamus (PVN)
  • ventromedial hypothalamus, medial amygdala
  • ventral premammillary nuclei
  • ventral tegmentum
  • central tegmental field
  • mesencephalic central gray
  • peripeduncular nuclei
  • parvocellular subparafascicular nucleus (SPF) within the posterior thalamus

Health issues

.For most men, no detrimental health effects have been determined from ejaculation itself or from frequent ejaculations, though sexual activity in general can have health or psychological consequences.^ Ask a question regarding Men's Sexual Health - Ejaculate Issues .
  • Sexual Health Network - credentialed experts providing sexuality education from pleasure and orgasm to sexually transmitted diseases, sexual dysfunction, and sex and disability 3 February 2010 15:18 UTC www.sexualhealth.com [Source type: Original source]

^ The most detrimental effect on SR males fertility is due to the size of their ejaculate which is half that of wild-type males.
  • BioMed Central | Full text | Female-driven mechanisms, ejaculate size and quality contribute to the lower fertility of sex-ratio distorter males in Drosophila simulans 3 February 2010 15:18 UTC www.biomedcentral.com [Source type: Academic]

^ Does size of penis has any effect on sexual activity in terms of i) pleasure to partner ii) making female pregnant.
  • Sexual Health Network - credentialed experts providing sexuality education from pleasure and orgasm to sexually transmitted diseases, sexual dysfunction, and sex and disability 3 February 2010 15:18 UTC www.sexualhealth.com [Source type: Original source]

.A very small percentage of men may experience a transient Post Orgasmic Illness Syndrome following ejaculation.^ When I ejaculate, a very small amount of semen is excreted.
  • Sexual Health Network - credentialed experts providing sexuality education from pleasure and orgasm to sexually transmitted diseases, sexual dysfunction, and sex and disability 3 February 2010 15:18 UTC www.sexualhealth.com [Source type: Original source]

.In one study, more frequent ejaculation earlier in one's life predicted lower rates of prostate cancer later on.^ The twenty-one percent rate also reflects factors such as age and frequency of intercourse, whereas the three percent rate is simply based on broad laboratory studies.
  • Non-Hormonal Birth Control - VaginaPagina 3 February 2010 15:18 UTC www.vaginapagina.com [Source type: FILTERED WITH BAYES]

^ In this study we used a weighted average of the results, in which the larger trials aregiven more influence than that of the smaller ones.
  • Do bacterial infections cause reduced ejaculate quality? A meta-analysis of antibiotic treatment of male infertility -- Skau and Folstad 14 (1): 40 -- Behavioral Ecology 3 February 2010 15:18 UTC beheco.oxfordjournals.org [Source type: Academic]

.Researchers have proposed that ejaculation may "flush out" carcinogens that accumulate in the prostate.^ For example, if a man pulls out successfully and ejaculates, he may have sperm on his penis and genitals, as well as still in his urethra.
  • Non-Hormonal Birth Control - VaginaPagina 3 February 2010 15:18 UTC www.vaginapagina.com [Source type: FILTERED WITH BAYES]

^ Ejaculate volume may, however, also be influenced by infections outside the urogenital tract that reduce the elasticity in prostate and seminal vesicles (Behre et al., 1997 ).
  • Do bacterial infections cause reduced ejaculate quality? A meta-analysis of antibiotic treatment of male infertility -- Skau and Folstad 14 (1): 40 -- Behavioral Ecology 3 February 2010 15:18 UTC beheco.oxfordjournals.org [Source type: Academic]

^ I just wanted to say that while Dr. Sheldon Marks may be somewhat correct about no ejaculation during prostate exam : that he is not entirely correct.
  • Men's Health Office: Blood in the semen 15 September 2009 8:10 UTC blogs.webmd.com [Source type: General]

.However, no definitive reason for the link has been found, nor has it been proven that ejaculation is the direct cause of the reduced risk (but because the ejaculation occurred many years before cancer developed, it is not just that cancer causes reduced ejaculation).^ The low value of P 1 for SR males is then probably mainly the direct consequence of reduced quality and quantity of their ejaculate.
  • BioMed Central | Full text | Female-driven mechanisms, ejaculate size and quality contribute to the lower fertility of sex-ratio distorter males in Drosophila simulans 3 February 2010 15:18 UTC www.biomedcentral.com [Source type: Academic]

^ International Society for Behavioral Ecology Do bacterial infections cause reduced ejaculate quality?
  • Do bacterial infections cause reduced ejaculate quality? A meta-analysis of antibiotic treatment of male infertility -- Skau and Folstad 14 (1): 40 -- Behavioral Ecology 3 February 2010 15:18 UTC beheco.oxfordjournals.org [Source type: Academic]

^ Do bacterial infections cause reduced ejaculate quality?
  • Do bacterial infections cause reduced ejaculate quality? A meta-analysis of antibiotic treatment of male infertility -- Skau and Folstad 14 (1): 40 -- Behavioral Ecology 3 February 2010 15:18 UTC beheco.oxfordjournals.org [Source type: Academic]

See also

References

  1. ^ Waldinger, M.D., Quinn, P., Dilleen, M., Mundayat, R., Schweitzer, D.H., & Boolell, M. (2005). "A Multinational Population Survey of Intravaginal Ejaculation Latency Time". Journal of Sexual Medicine 2 (4): 492–497. doi:10.1111/j.1743-6109.2005.00070.x. PMID 16422843. 
  2. ^ Giuliano, F., Patrick, D., Porst, R., La Pera, G., Kokoszka, A., Merchant, S., Rothman, M., Gagnon, D., & Polverejan, E. (2008). "Premature Ejaculation: Results from a Five-Country European Observational Study". European Urology 53 (5): 1048–1057. doi:10.1016/j.eururo.2007.10.015. PMID 17950985. 
  3. ^ Walter F. Boron, Emile L. Boulpaep, (2005). Medical Physiology: A Cellular and Molecular Approach. Philadelphia, PA: Elsevier/Saunders. ISBN 1-4160-2328-3. 
  4. ^ Bolen, J. G., (1980-12-09). "The male orgasm: pelvic contractions measured by anal probe". Archives of Sexual Behavior (6): 503–21. doi:10.1007/BF01542155. PMID 7458658. 
  5. ^ Template:Cite" journal
  6. ^ Kinsey, A. C., Pomeroy, W. B., Martin, C. E. & Gebhard, P. H. (1998). Sexual Behavior in the Human Female. Indiana University Press. pp. 634. ISBN 978-0253334114. http://books.google.com/books?id=9GpBB61LV14C&lpg=PA530&dq=sexual%20behavior%20of%20human%20female&hl=pl&pg=PA634#v=onepage&q=&f=false. 
  7. ^ a b Template:Cite" book
  8. ^ Dunn, M.E., & Trost, J.E. (1989). "Male Multiple Orgasms: A Descriptive Study". Archives of Sexual Behavior 18 (5): 377–387. doi:10.1007/BF01541970. PMID 2818169. 
  9. ^ Rehan N, Sobrero AJ, Fertig JW. (1975). "The semen of fertile men: statistical analysis of 1300 men". Fertility and Sterility 26 (6): 492–502. PMID 1169171. 
  10. ^ Dimitropoulou, Polyxeni; Artitaya Lophatananon, Douglas Easton, Richard Pocock, David P. Dearnaley, Michelle Guy, Steven Edwards, Lynne O'Brien, Amanda Hall, Rosemary Wilkinson, Rosalind Eeles, Kenneth R. Muir (November 11 2008). "Sexual activity and prostate cancer risk in men diagnosed at a younger age". BJU International 103 (2): 178–185. doi:10.1111/j.1464-410X.2008.08030.x. OCLC 10.1111/j.1464-410X.2008.08030.x. PMID 19016689. 
  11. ^ "Masturbation Cuts Cancer Risk". BBC News Online. 2003-07-16. http://news.bbc.co.uk/2/hi/health/3072021.stm. Retrieved 2009-03-04. , Giles GG, Severi G, English DR, Hopper JL. (2004). "Frequency of ejaculation and risk of prostate cancer". JAMA 292 (3): 329. doi:10.1001/jama.292.3.329-a. PMID 15265846. 
  12. ^ Leitzmann MF, Platz EA, Stampfer MJ, Willett WC, Giovannucci E. (2004). "Ejaculation frequency and subsequent risk of prostate cancer". JAMA 291 (13): 1578–86. doi:10.1001/jama.291.13.1578. PMID 15069045. 
  13. ^ Pound N, Javed MH, Ruberto C, Shaikh MA, Del Valle AP. (2002). "Duration of sexual arousal predicts semen parameters for masturbatory ejaculates". Physiol Behav 76 (4-5): 685–9. doi:10.1016/S0031-9384(02)00803-X. PMID 12127009. 
  14. ^ "Semen and sperm quality". Dr John Dean, netdoctor.co.uk. http://www.netdoctor.co.uk/menshealth/facts/semenandsperm.htm. Retrieved 2009-03-04. 
  15. ^ "Biological Basis of Heredity: Cell Reproduction". Dr. Dennis O'Neil, Behavioral Sciences Department, Palomar College, San Marcos, California. http://anthro.palomar.edu/biobasis/bio_2.htm. Retrieved 2009-03-04. 
  16. ^ a b Template:Cite" journal
  17. ^ Sagar SM, "et al." (1988). "Expression of c-fos protein in brain: metabolic mapping at the cellular level". Science 240 (4857): 1328–1332. doi:10.1126/science.3131879. PMID 3131879. 
  18. ^ Pfaus JG and Heeb MM, (1997). "Implications of immediate-early gene induction in the brain following sexual stimulation of female and male rodents". Brain Res Bull 44: 397–407. doi:10.1016/S0361-9230(97)00219-0. PMID 9370204. 
  19. ^ Veening JG and Coolen LM, (1998). "Neural activation following sexual behavior in the male and female rat brain". Behav Brain Res 92: 181–193. doi:10.1016/S0166-4328(97)00190-3. PMID 9638960. 

Further reading


Simple English

File:Espermatozoides.ogg
A video of sperm swimming. It is well known that a man ejaculates when he has an orgasm. However, it is now believed that a woman can also ejaculate.

Ejaculation happens when the body shoots out fluid after it has been aroused or stimulated (excited sexually). Many animals ejaculate when they reproduce sexually. This article is about ejaculation in human beings. It is well known that a man ejaculates when he has an orgasm. However, it is believed that women also ejaculate.

When a man is stimulated, his penis becomes erect. When he has an orgasm, semen comes out from the end of his penis. Semen contains sperm and other substances. How long a man can be stimulated before ejaculating, how long the ejaculation lasts, the strength of the ejaculation, and the amount of semen that comes out, all vary from one man to another. When a man ejaculates, he has a very good feeling in his penis and his groin area (the part of his body where his torso joins the top of his legs). A man can ejaculate after he masturbates or is touched by someone else sexually, or even if he is not touched (for example, if he looks at sexy pictures, watches sexy videos or thinks about sex). Ejaculation can also happen without control when a man is sleeping. Boys do not ejaculate until they reach puberty.

Scientists now think that women can also ejaculate when they have an orgasm. They think that a woman ejaculates when her Gräfenberg spot or "G-spot", which is near the front of the vagina, is stimulated, and that the fluid comes out from somewhere near the opening of the urethra into the vulva. They also think that the fluid is produced by the Skene's glands. This fluid contains glucose and fructose, which are kinds of sugars, and other chemicals.

In grammar, an ejaculation is something spoken rather suddenly to express a feeling. "Oh!", "Hey!" and "My goodness!" are ejaculations. Although it was common at the end of the 19th century and the start of the 20th century to call such terms "ejaculations", today it is considered old-fashioned.

Contents

Men

In a man, ejaculation is what happens when semen shoots out of the end of the penis. Slang terms for ejaculation are blowing a load or blowing a wad, busting a nut,[1] creaming, cumming, jizzing and skeeting. Ejaculation takes place when the man has an orgasm (the height of sexual excitement), usually after he has been touched in a sexual way. However, ejaculation can also happen if a man has not been touched, for instance if he becomes aroused or stimulated (made sexually excited) by looking at sexy pictures, watching sexy videos, or thinking about sex. When a man ejaculates while sleeping, it is called nocturnal emission.

How it happens in men

File:Illu repdt male
A diagram of the male sex organs, showing an erection

Before a man can ejaculate, his penis needs to be stimulated. The penis is usually soft, quite short and hangs down. When a man is stimulated, for example by seeing another naked person, masturbating or being touched by someone else sexually, the inside of his penis fills with blood. This causes it to become longer, thicker, harder and to stand upright, and is called having an erection. Men can be stimulated for different amounts of time before they ejaculate.

Ejaculation takes place in two stages.

  • First stage: Emission. The first stage is called emission (which means "the act of sending or throwing something out"). A man's testicles make sperm cells, and these are stored in a coiled tube called the epididymis. During emission, the two ducts (tubes) called the vasa deferentia (each tube by itself is called a vas deferens), which carry sperm away from the testicles, squeeze the sperm from the epididymis to the top end of the ducts. When this happens, the man feels that he cannot stop his ejaculation. It is sometimes said that the man has reached the "point of no return". The sperm then passes through other tubes called the ejaculatory ducts, where they are mixed with fluids made by glands called the seminal vesicles, the prostate and the bulbourethral glands (also called Cowper's glands). (Glands are special body organs that make chemicals.) The mixture of sperm and fluid is called semen or ejaculate. It is white or yellowish, and sticky.[2]
  • Second stage: Ejaculation proper. The second stage is called ejaculation proper (which means "real ejaculation"). When ejaculation proper begins, the man starts having an orgasm. A muscle at the base of the man's penis called the bulbospongiosus muscle squeezes strongly again and again. This forces semen to move from the ejaculatory ducts into the urethra, which is a duct that passes right through the penis. Semen is pushed along the urethra until it shoots out of the end of the penis in spurts.[2] Once the muscle starts to squeeze, the man cannot stop the semen from coming out of his penis. During an orgasm, the man's muscle will usually squeeze about 10 to 15 times. The squeezes happen very quickly. They start at about 0.1 second apart, then slow down and become weaker. Most of the semen is ejaculated in the first few squeezes. How strong an ejaculation is varies from man to man. For some men the semen shoots out of their penis very far, while for others it dribbles out. An ejaculation is often stronger if a man has been stimulated for a longer time. The squeezing of the man's muscle gives a very good feeling to his penis and his groin area (the part of his body where his torso joins the top of his legs). A man's orgasm usually lasts about 17 seconds, but some men have an orgasm for only a few seconds while for others it can last for up to one minute.[3]

After a man has ejaculated, his penis usually becomes soft and shorter again. He may also have an enjoyable and relaxing feeling in his groin area. It takes some time before he can have another erection and ejaculation. This time is called the refractory period. The average refractory period is about half an hour. Younger men normally have a shorter refractory period than older men. Men who are 18 years old have a refractory period of about 15 minutes, while men in their 70s have one of about 20 hours.[4] Some men's penises remain hard after one ejaculation, and they are able to have another ejaculation after some time without losing their erection. Most young and middle-aged men can probably have about two to three ejaculations in a few hours, but it has been said that some men are able to have up to nine ejaculations a day.[5]

When a man ejaculates before he wants to, this is called premature ejaculation. If a man cannot ejaculate after having been aroused for a long time, even though he wants to, this is called delayed ejaculation or anorgasmia. A man who is unable to ejaculate at all is said to have anejaculation. Some men are able to have an orgasm without ejaculating. This is called a dry orgasm.

Apart from giving a man pleasure, ejaculation may help a man stay healthy. A study carried out in Australia seemed to show that men who ejaculate often have less chance of getting prostate cancer.[6]

Semen

[[File:|thumb|Some semen on a piece of glass. Semen is a white or yellowish, and sticky fluid that contains sperm.]]

Semen is known informally as cum, jism or jizz. Men ejaculate different amounts of semen. Normally, an ejaculation makes between 1.5 and 5 millilitres (up to one teaspoonful) of semen.[7] More semen tends to come out if a man has not ejaculated for many days, or if he has been stimulated for a long time. Older men produce less semen. If a man ejaculates an unusually small amount of semen, this is a medical condition called hypospermia.

Semen is usually a white or yellowish fluid. It starts off being slightly thick and sticky, then after a while it becomes more watery. Semen contains many chemicals. These include citric acid, fructose (a type of sugar), enzymes that speed up chemical reactions in the body, lipids (substances that fat is made of), and slippery fluids that help the semen to move through the urethra.

The number of sperm in an ejaculation of semen depends on many things. There may be more sperm if:

  • the man is younger,
  • his body produces more of the hormone testosterone, which makes a person look and feel like a man,
  • his testicles are not too warm,
  • he produces more semen,
  • he has not ejaculated for some time, and
  • he has been stimulated for a longer time before ejaculation.

If there are an unusually low number of sperm in an ejaculation, this is called oligospermia. If there are no sperm at all, this is called azoospermia. A man with oligospermia or azoospermia is usually infertile, and cannot or finds it very hard to make a woman pregnant by having sex with her.

If a man has a sexually transmitted infection or STI (an infection that is passed from one person to another by sex), the germs that cause the disease can appear in his semen. If the person that the man has sex with touches the semen, he or she can become infected by the germs and pick up the disease. AIDS, gonorrhea, hepatitis B, herpes and syphillis are examples of STIs. One of the ways for a man to lower the chance of passing on an STI to his sexual partner is to wear a condom on his penis when having sex.

Fertilization

When a man has sexual intercourse with a woman, he places his penis within her vagina and moves it in and out. The vagina is warm and soft, and it places pressure on the man's penis. These sensations, combined with the in-and-out movements, stimulates the penis, which causes the man to have an orgasm and to ejaculate. If the woman is using birth control this will usually not cause her to become pregnant. Otherwise, the sperm in the semen can travel into the woman's uterus and Fallopian tubes. If there happens to be an ovum or egg cell in a Fallopian tube, a sperm may fuse with the ovum. This is called fertilization, and makes the woman pregnant.

However, before a man ejaculates, a clear, colourless, sticky fluid called pre-ejaculate (also known as pre-ejaculate fluid or informally as pre-cum) can come out of his penis. Pre-ejaculate is produced by the bulbourethral or Cowper's glands. Some tests have shown that pre-ejaculate does not contain any sperm.[8] However, some sperm may have been left behind in the urethra from an earlier ejaculation and the pre-ejaculate may carry this sperm out of the penis.[9] That is why a woman can become pregnant even if the man pulls his penis out of her vagina before he ejaculates. Also, if a man ejaculates near the woman's vagina and semen falls on her body, sperm can accidentally enter the vagina and cause a pregnancy. To avoid the woman becoming pregnant when she does not want to, the man and the woman can use methods of contraception or birth control. For example, the man can wear a condom on his penis, or the woman can take birth control pills.

First ejaculation

Young boys cannot ejaculate. A boy's first ejaculation usually happens about one year after he begins puberty, which is when his body starts changing into a man's body.[10] Most boys go through puberty in their teens. The first time a boy ejaculates usually happens when he is asleep. This is called a nocturnal emission (which means "an emission happening at night") or a wet dream. It happens without the boy's control, often when he is having a dream about sex.[11] Scientists believe that wet dreams are the body's way of removing too much semen.[needs proof] When a boy begins masturbating, wet dreams usually stop happening.[11]

When a boy starts to ejaculate, he usually produces only a small amount of semen.[10] The semen is different from what an adult man produces. It is usually clear and stays sticky. It either has no sperm in it, or sperm that do not move properly or do not move at all. A boy's semen only becomes like an adult man's semen about two years after his first ejaculation.[12]

Women

Female ejaculation, informally known as gushing or squirting, happens when a woman has an orgasm and clear fluid comes out of her. Scientists are not sure how the fluid is produced, but think it comes from the Skene's glands (also called the paraurethral glands or female prostate). Female ejaculation was mentioned in ancient times by the Greek philosopher Aristotle (384–322 B.C.),[13] and by doctors and people who study anatomy. However, in much of the 20th century there were people who did not believe that female ejaculation existed, and it was not studied in detail. More people found out about the matter after a book called The G Spot[14] came out in 1982 and became popular. After that, more research was done on female ejaculation.

How it happens in women

File:Vulva
This diagram shows the parts of a woman's vulva as if she was lying on her back and you were looking between her legs. The opening of the vagina (the big circle in the middle) is below the opening of the urethra (the smaller oval) into the vulva.

Many doctors and scientists now agree that there is such a thing as female ejaculation, but do not know much about how it happens or how the woman's body makes the fluid ejaculated. Some think that female ejaculation mostly happens when a woman's Gräfenberg spot or "G-spot", which is near the front of the vagina, is stimulated.[15] It is not known for sure if the fluid is ejaculated from the urethra or the vagina. However, in 2007, tests by researchers from Vienna in Austria found that there is tissue like glands around a woman's urethra, and that substances made by the tissue enter the urethra near its opening into the vulva.[16] Therefore, it is more likely that during female ejaculation the fluid comes out from the urethra. It is thought that the Skene's glands make the fluid because female ejaculate contains a protein called prostate-specific antigen (PSA),[17] and the Skene's gland is known to make PSA.[18]

Scientists have asked women about female ejaculation. Between 54% and 60% of these women said that when they had an orgasm, fluid came out of them. Out of these women, 6% said they ejaculated regularly and that it was strong, while 13% said they ejaculated now and then.[19][20] A doctor called Gary Schubach believes that most women can learn how to ejaculate if taught how.[21]

Fluid

Some scientists think that "female ejaculation" is just urine leaking out of a woman's urethra. However, studies show that the fluid ejaculated is not exactly the same as urine, although it has small amounts of urine in it.[19] The fluid is alkaline and has these substances in it:

  • Glucose and fructose, which are types of sugar.[22] It may be that these sugars provide food for sperm, which would give them a better chance of fertilizing an egg cell.
  • An enzyme called prostatic acid phosphatase (PAP), which speeds up certain chemical reactions.
  • Two proteins, prostate-specific antigen (PSA)[18] and human protein 1.[23] These proteins are also produced by a man's prostate gland and are found in semen.
  • Very small levels of the chemicals creatinine and urea.[24] As these chemicals are found in large amounts in urine, this shows that female ejaculate is not the same as urine.

Some diseases or sicknesses can cause large amounts of fluid to come out of women. For example, fluid can come out of a woman's vagina if she has an infection of the vagina or a sexually transmitted infection (STI). Some women also suffer from urinary stress incontinence, which means that sometimes they cannot stop urine from leaking out. Because of this, if large amounts of fluid come out from a woman's vulva, it is a good idea for her to see a doctor in case it is not female ejaculation but some kind of sickness.

Notes

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  1. "busting a nut". Urban Dictionary. 27 July 2003. http://www.urbandictionary.com/define.php?term=busting+a+nut. Retrieved 2008-07-07. 
  2. 2.0 2.1 Walter F. Boron; Emile L. Boulpaep (2005). Medical Physiology: A Cellular and Molecular Approach. Philadelphia, Pa.: Elsevier/Saunders. ISBN 1-4160-2328-3. 
  3. J.G. Bohlen; J.P. Held, M.O. Sanderson (December 1980). "The Male Orgasm: Pelvic Contractions Measured by Anal Probe". Archives of Sexual Behavior 9 (6): 503–521. http://www.ncbi.nlm.nih.gov/pubmed/7458658. 
  4. Bernice Kanner (2004). Are You Normal About Sex, Love, and Relationships?. New York, N.Y.: St. Martin's Griffin. ISBN 0312311079. 
  5. Paul Byerly; Lori Byerly. "Better sex for him". The Marriage Bed: Sex and Intimacy for Married Christians. http://www.themarriagebed.com/pages/sexuality/splay/betterforhim.shtml. Retrieved 2008-06-16. 
  6. "Masturbation cuts cancer risk". BBC News. 16 July 2003. http://news.bbc.co.uk/2/hi/health/3072021.stm. Retrieved 2008-06-14. 
  7. "Swimming toward conception: The semen analysis". American Fertility Association. http://www.theafa.org/library/article/swimming_toward_conception_the_semen_analysis. Retrieved 2008-06-13. 
  8. "Researchers Find No Sperm in Pre-ejaculate Fluid". Contraceptive Technology Update 14 (10): 154–156. October 1993. http://www.ncbi.nlm.nih.gov/pubmed/12286905.  Z. Zukerman; D.B. Weiss, R. Orvieto (April 2003). "Short Communication: Does Preejaculatory Penile Secretion Originating from Cowper's Gland Contain Sperm?". Journal of Assisted Reproduction and Genetics 20 (4): 157–159. http://www.ncbi.nlm.nih.gov/pubmed/12762415. 
  9. "Withdrawal method". Planned Parenthood. March 2004. http://www.plannedparenthood.com/health-topics/birth-control/withdrawal-pull-out-method-4218.htm. Retrieved 2006-09-01. 
  10. 10.0 10.1 "Oigarche: the age at first ejaculation.". PubMed.gov. http://www.ncbi.nlm.nih.gov/pubmed/3993998. Retrieved 2010-05-13. 
  11. 11.0 11.1 "Boys and Puberty". Pearson Education, Inc. http://life.familyeducation.com/teen/parenting/48335.html. Retrieved 2010-05-13. 
  12. Z. Janczewski; L. Bablok (1985). "Semen Characteristics in Pubertal Boys: I. Semen Quality after First Ejaculation". Archives of Andrology 15: 199–205. http://www.ncbi.nlm.nih.gov/pubmed/3833078. 
  13. Deborah Sundahl (2003). Female Ejaculation and the G-Spot. Alameda, Calif.: Hunter House. ISBN 0-89793-380-X. 
  14. Alice Kahn Ladas; Beverly Whipple & John D. Perry (1982). The G spot and Other Recent Discoveries about Human Sexuality. New York, N.Y.: Holt, Rinehart, and Winston. ISBN 0030618312. 
  15. J.K. Davidson, Sr.; C.A. Darling & C. Conway-Welch (Summer 1989). "The Role of the Grafenberg Spot and Female Ejaculation in the Female Orgasmic Response: An Empirical Analysis.". J. Sex Marital Ther. 15 (2): 102–120. http://www.ncbi.nlm.nih.gov/pubmed/2769772.  D. Rabinerson; E. Horowitz (February 2007). "[G-spot and Female Ejaculation: Fiction or Reality?]". Harefuah 146 (2): 145–147, 163. http://www.ncbi.nlm.nih.gov/pubmed/17352286.  (In Hebrew.)
  16. Wimpissinger [and others] (September 2007). [Expression error: Unexpected < operator "The Female Prostate Revisited"]. Journal of Sexual Medicine 4 (5): 1388–1393. 
  17. F. Cabello, "Female Ejaculation: Myth and Reality" in Juan José Borrás Valls; María Pérez Conchillo (eds.) (1998). Sexuality and Human Rights: Proceedings of the XIIIth World Congress of Sexology, Valencia, Spain 25–29 June 1997. Valencia, Spain: NAU Ilibres, D.L.. pp. 325–333. ISBN 8476425333. 
  18. 18.0 18.1 J.J. Pollen; A. Dreilinger (March 1984). "Immunohistochemical Identification of Prostatic Acid Phosphatase and Prostate Specific Antigen in Female Periurethral Glands". Urology 23 (3): 303–304. http://www.ncbi.nlm.nih.gov/pubmed/6199882.  S.L. Tepper; J. Jagirdar, D. Heath & S.A. Geller (May 1984). "Homology between the Female Paraurethral (Skene's) Glands and the Prostate: Immunohistochemical Demonstration". Arch. Pathol. Lab. Med. 108 (5): 423–425. http://www.ncbi.nlm.nih.gov/pubmed/6546868.  N. Wernert; M. Albrech, I. Sesterhenn, R. Goebbels, H. Bonkhoff, G. Seitz, R. Inniger & K. Remberger (1992). "The 'Female Prostate': Location, Morphology, Immunohistochemical Characteristics and Significance". Eur Urol. 22 (1): 64–69. http://www.ncbi.nlm.nih.gov/pubmed/1385145.  Z. Zaviacic; M. Ruzicková, J. Jakubovský, L. Danihel, P. Babál & J. Blazeková (November 1994). "[The Significance of Prostate Markers in the Orthology of the Female Prostate]". Bratisl. Lek. Listy. 95 (11): 491–497. http://www.ncbi.nlm.nih.gov/pubmed/7533639.  (In Slovak.) Z. Zaviacic; R.J. Ablin (January 2000). "The Female Prostate and Prostate-specific Antigen: Immunohistochemical Localization, Implications of this Prostate Marker in Women and Reasons for using the term "Prostate" in the Human Female". Histol Histopathol. 15 (1): 131–142. http://www.ncbi.nlm.nih.gov/pubmed/10668204. 
  19. 19.0 19.1 S. Kratochvil (April 1994). "[Orgasmic Expulsions in Women]". Cesk Psychiatr. 90 (2): 71–77. http://www.ncbi.nlm.nih.gov/pubmed/8004685.  (In Czech.)
  20. B. Bullough; M. David, B. Whipple, J. Dixon, E.R. Allgeier & K.C. Drury (March 1984). "Subjective Reports of Female Orgasmic Expulsion of Fluid". Nurse Pract. 9 (3): 55–59. http://www.ncbi.nlm.nih.gov/pubmed/6546788. 
  21. "Female ejaculation & G-spot orgasm podcast interview with Dr. Gary Schubach". Personal Life Media. 15 May 2007. http://www.personallifemedia.com/podcasts/expanded-lovemaking/episode007-gary-schubach-squirting-female-ejaculations.html. Retrieved 2007-05-15. 
  22. Gary Schubach (25 August 2001). "Urethral Expulsions during Sensual Arousal and Bladder Catheterization in Seven Human Females". Electronic Journal of Human Sexuality 4. http://www.ejhs.org/volume4/Schubach/abstract.html. 
  23. M. Zaviacic; L. Danihel, M. Ruzicková, J. Blazeková, Y. Itoh, R. Okutani, T. Kawai (March 1997). "Immunohistochemical Localization of Human Protein 1 in the Female Prostate (Skene's Gland) and the Male Prostate". Histochem J. 29 (3): 219–227. http://www.ncbi.nlm.nih.gov/pubmed/9472384. 
  24. F. Addiego; E.G. Belzer, Jr., J. Comolli, W. Moger, J.D. Perry, B. Whipple (1981). [Expression error: Unexpected < operator "Female Ejaculation: A Case Study"]. The Journal of Sex Research 17: 13–21. 


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