Regular vacation means menstruation. It is also not allowed to have intercourse when the menstrual flow is low, and it is forbidden to have intercourse during menstruation. If you have intercourse at this time, it may have an effect on the woman’s body. Women in the menstrual period, the cervix is in an open state, no matter how much bleeding, at this time, coitus, vaginal bacteria can be retrograde infection, may cause endometrial inflammation, tubal inflammation, etc., and tubal inflammation may cause infertility, or more likely to trigger the probability of ectopic pregnancy, so you can’t coitus during the menstrual period. Menstruation must pay attention to personal cleanliness and hygiene, pay attention to vaginal local hygiene, do not have sex. At the same time, diet, to ensure that the diet is light and reasonable, nutrition is balanced and reasonable.