Having sex during a girl's ovulation period is one of the key steps to ensure a healthy pregnancy for two people. However, for some women, they may not know how to accurately calculate their ovulation period or how to have intercourse during this period.

So, how to determine a woman’s ovulation period? Generally speaking, a woman’s ovulation period begins on the 14th day of the menstrual cycle and lasts until the 16th day. During this time, a woman will have the most eggs, so having intercourse is the best way to ensure pregnancy.

However, for some women, they may not know how to accurately calculate when they are ovulating. This may confuse them and miss the best time for intercourse. Therefore, it is recommended that women consult a doctor or professional health advisor to learn how to accurately calculate their ovulation period and have sexual intercourse during this period.

Additionally, there are a few other ways to determine when a woman is ovulating. For example, women can determine their ovulation period by measuring their body temperature, or they can determine their ovulation period by observing changes in their sexual desire and secretions.