When you are having your period, you want to have sex, mainly because of the following reasons: first, the pelvic cavity is in a state of congestion during menstruation, so it will cause sexual excitement, and you will want to have sex in your daily life. The second is that during menstruation, estrogen and progesterone decline in the body, while androgen increases, androgen is a very important hormone for maintaining female libido, so you want to have sex at this time. But you can’t have sex when you’re menstruating, because it can lead to pelvic inflammation, endometriosis, and also psychological shadows. So in the menstrual period must distract themselves, do not cohabit, can and husband sleep in separate beds, reduce the skin contact, so as to avoid the cohabit situation.