The menstrual period is not clean coitus, it is easy to cause uterine infection. If abdominal pain and other symptoms, you can go to the hospital gynecological consultation, under the guidance of the doctor, oral amoxicillin cephalosporin or macrolide antibiotic anti-inflammatory treatment. Serious need to cooperate with the doctor intravenous infusion of antibiotics anti-inflammatory treatment, to avoid the formation of chronic inflammation, causing other complications. It is forbidden to have intercourse during menstruation because during menstruation, as the endometrium sheds its wounds and the cervix is open, it is easy to cause bacterial upward infection, causing endometritis, and in serious cases, it may even cause endometrial adhesions, leading to infertility. And during menstruation, it is also easy to make the blood circulation faster, resulting in excessive bleeding, but also easy to cause endometriosis and other diseases, seriously affecting the health of women, generally need to be in the women’s menstruation completely clean for three days after the coitus is more appropriate.