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There are one study that was designed to establish whether motile spermatozoa are released with pre-ejaculatory fluid and whether this fluid therefore poses a risk for unintended pregnancy. Forty samples of pre-ejaculatory fluid were examined from 27 volunteer men. Samples were obtained by masturbation and by touching the end of the penis with a Petri dish prior to ejaculation. Eleven of the 27 subjects (41%) produced pre-ejaculatory samples that contained spermatozoa and in 10 of these cases (37%), a reasonable proportion of the sperm was motile. The volunteers produced on up to five separate occasions and sperms were found in either all or none of their pre-ejaculatory samples. Hence, condoms should continue to be used from the first moment of genital contact, although it may be that some men, less likely to leak spermatozoa in their pre-ejaculatory fluid, are able to practice coitus interruptus more successfully than others.
Sup with the caps?
"whenever* I get a child", "is far too* small", "for a woman* to get pregnant"..not girl, "even if the man* ejaculates"* (obviously in 8th grade sex-ed class and NOT the medical field if you're calling people girls and boys)
It was nice of you to offer your input, and I generally agree with it, but if you were a doctor who went through 7-8 years of medical school and a 4 year undergrad, you should be well educated enough to speak like you're older than 15. It's one thing to give advice, but don't say you're a doctor when you're still chasing your high school diploma ;)
Unfortortunately, your study is not updated.
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You're telling the board that a woman you know got pregnant while CORRECTLY using: The Pill, a diaphragm AND spermicide - while the male used: a condom, AND properly pulled out well before ejaculating? And that it was only the sperm in his pre-cum navigating through all these barriers that got her pregnant? WOW. This would be one for the scientific community to research as this guy would have to have some serious warrior sperm. P.S. There is no way possible for this to be true.
But it only takes 1 sperm to fertilise an egg. Mathematically the chances are low, but even if it were just 0.001%, someone has to be that very 1 in 100000.
Especially when ladies only have a limited window of conception mixed into this as well AND sperm lives only a couple of days as well as eggs 5 - makes chances extremely low. Thanks for this!
It was still researched and concluded that no sperm was in precum.... government or no government, its proven!
The fact that for one study "It was ... researched and concluded that no sperm was in precum" does not mean "its proven"! One study that finds no sperm in precum does not prove there is never sperm in precum. At best it indicates that there is not always sperm in precum. However, you only need one report that shows there is sperm in precum to prove that at least sometimes sperm can be in precum. In fact one report says more believably: "It would appear from our study that some men repeatedly leak sperm in their pre-ejaculatory fluid while others do not."
The quoted report at: ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=12762415 took specimens of pre-ejaculatory fluid from 12 men. "Glass slide smears of preejaculatory Cowper's gland secretion obtained during foreplay from at least two different occasions, and semen samples after masturbation" were used. "Microscopic examination of air-dried smears, and routine semen analyses" was undertaken. It was found that "None of the preejaculatory samples contained sperm" but "All the patients had sperm in routine sperm analyses". The conclusion from that study was "Preejaculatory fluid secreted at the tip of the urethra from Cowper's gland during sexual stimulation did not contain sperm and therefore cannot be responsible for pregnancies during coitus interruptus". So it only concluded that the "preejaculatory fluid" thus examined "did not contain sperm and therefore" [those samples] "cannot be responsible for pregnancies"
Note that it was an "examination of air-dried smears"
Another examination of 40 samples from 27 men in another study showed that "Eleven of the 27 subjects (41%) produced pre-ejaculatory samples that contained spermatozoa and in 10 of these cases (37%), a reasonable proportion of the sperm was motile." It also reported that "The volunteers produced on up to five separate occasions and sperms were found in either all or none of their pre-ejaculatory samples" It did add that "it may be that some men, less likely to leak spermatozoa in their pre-ejaculatory fluid, are able to practice coitus interruptus more successfully than others." There is recognition of other studies but the authors state that "The reason why our study was able to demonstrate motile sperm in pre-ejaculatory fluid whereas other studies have failed to do so might lie in the promptness with which we examined the samples."
This study is reported on the same website: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3564677/ and you can read more about it at: http://informahealthcare.com/doi/abs/10.3109/14647273.2010.520798
The statement from that report: "It would appear from our study that some men repeatedly leak sperm in their pre-ejaculatory fluid while others do not." seems the most robust.