Tell or Say, pozhajlusta in what current of time the semen saves the of properties...

[Natalia]

Tell or Say, pozhajlusta in what current of time the semen saves the properties in a vagina, t. e. Through what time intervals it is necessary to make sexual certificates or acts that there has come or stepped pregnancy. Really it is necessary to do or make it every day?

[Oshchepkova S.R.]

Spermatozoons live 5 days. Sexual certificates or acts should be through 2 - 3 days.