Sexual stimulation during menstruation will lead to the reflux of menstrual blood causing endometriosis, it will also cause the contraction of vaginal muscles leading to the symptoms of abdominal pain, and it will also affect the amount of menstruation, so you can’t have intercourse during menstruation, because intercourse during menstruation will bring bacteria into the uterus to cause intrauterine infections. In the menstrual period, there is bleeding, blood is the best culture medium for bacteria, easy to make the rapid growth of bacteria lead to gynecological inflammation, should be avoided in the menstrual period of sexual stimulation, generally recommended that the menstrual period is completely clean 2-3 days after the coitus can be, because premature coitus, the body’s resistance is relatively low will also cause gynecological inflammation. Pay attention to the hygiene of menstruation, it is best to change the sanitary napkin in a timely manner, in addition to the sanitary napkin allergy is best not to use, easy to cause local itching of the skin, it is recommended to wear air permeable underwear to avoid local sweating, can improve the symptoms of local dampness.