At me 2 questions, 1 how to define or determine viability the of spermatozoons? 2...

[Gleb]

At me 2 questions, 1 how to define or determine viability the of spermatozoons? 2 what percent or interest of conceptions if nothing to apply and thus to leave during? And what percent or interest gives spermitsidnye creams mazy?

[Soboleva L.I.]

Dear Gleb! 1. Viability of spermatozoons can be defined or determined, having made the analysis of a semen. 2. If you the interrupted sexual certificate or act, reliability of the given method - about 50 % interests. Spermitsidy are effective on 75 80 %.