Tukaj piše 9 dni pod sexual reproduction:
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Sam piše da preživijo in ne, da so aktivni.
Tukaj je še nekaj:
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Tole je pa zelo zanimivo:
However, modern research suggests that in fact there are no live sperm in the fluid, and the primary cause of failure of this method of contraception is the lack of self-control of those using it: interrupting just at climax can be psychologically difficult, as it goes entirely against instincts and reflexes all designed to encourage procreation by encouraging ejaculation to occur deeply within the vagina.
Pa grejo teorije lepo na odpad...
Pa še tole:
withdrawal has a typical failure rate of 19%. However, for the couples that use this method correctly, the failure rate is 4% [1]
Ja, moj lubi zna...
Moj spermij se je pa čez diafragmo zrinu, zato vam lahko zdej tukaj morim.
Sicer sem mal zašla s teme, no...
Kok časa pa preživijo v neprimernih pogojih izven telesa pa kar še ne najdem...
