Zdrastvujte! I was engaged in sex without a condom, what probability bereme...

[Alexander]

Zdrastvujte! I was engaged in sex without a condom what probability of pregnancy partnershi provided that ejaculations in a vagina were not.

[Alexander]

And for what day of a cycle the smallest probability?

[Soboleva L.I.]

Efficiency of contraception at the interrupted sexual certificate or act no more than 50 %. Hence, the probability of pregnancy also makes 50 %.