What period of a life spermotozoida outside of ovaries, and after what minimal...

[Egorov Dima]

What period of a life spermotozoida outside of ovaries, and after what minimal time after an ejaculation it is possible zanimatja sex without a condom, not being afraid (nezhelatalnoj for pregnancy portnyorshi)?

[Soboleva L.I.]

Hello! Spermatozoons vse-taki live not in ovaries, and in testicles. In female sexual ways spermatozoons live till 5 days. After an ejaculation it is impossible to give a guarantee, that any period in a semen it will not be exact alive spermatozoons so to try such rasschetami "to secure" the sexual certificate or act it is impossible.