What is ovulatory period? Ovulation is a critical period in a woman’s menstrual cycle, and it is also a time period that must be understood during pregnancy preparations. Generally speaking, the ovulation period occurs about 14 days before the beginning of menstruation every month, so women will run the risk of pregnancy if they have sexual intercourse during this time. In order to make it easier for women to understand and record their ovulation periods, there are many highly rated ovulation period recording software on the market. Here are a few recommended ones: