Lolita
22.07.2004, 17:57
The dear doctor! Has read through in the newspaper that there is a theory confirmed by practice, that at reception by the woman of a semen of the same partners in its or her organism there is an obtusion of antigens to its or his semen and simultaneously their activity against a semen of other men increases. The semen of the casual partner is perceived as foreign substance and in what that degrees will be neutralized, suppresses. Mobility of spermatozoons falls, and the probability of pregnancy decreases to 70 80 % .zaranee is grateful for the answer.