Ovulation generally takes place about 10–16 days ahead of menstruation commences. Some people can decide their peak fertility intervals by tracking their cycles. That is known as the ovulation calendar means of predicting fertility.Akut devrede as?l ve en bariz belirti, bezin ?i? ve a?r?l? olmas?d?r. Pürülan bir ak?nt? yumu?ak bir bas? ile kana