Ovulation commonly happens about 10–16 times just before menstruation commences. Some people can figure out their peak fertility durations by monitoring their cycles. This is called the ovulation calendar way of predicting fertility.Sizin için pek çok ki?i taraf?ndan s?kl?kla sorulmakta olan Ovulasyon testi nedir, nas?l yap?l?r? Ovülasyon test