Some women in menstruation due to pelvic congestion, as well as endometrial stripping of the endometrium to produce a large number of prostaglandins will cause uterine contraction, which is manifested as a feeling of pain in the lower abdomen, but most of the pain is mild and tolerable, do not need special treatment, can be relieved after resting, and the end of the symptoms of the menstrual period will also disappear. But some women’s menstrual cramps are severe and intolerable, even after the menstrual period will continue to exist, especially for the body cold, Qi stagnation and blood stagnation of patients are often prone to abdominal pain during menstruation intolerable symptoms, and sometimes even need to take painkillers to stop the pain. If there are such symptoms, it is recommended to go to the hospital for examination after the menstrual period is clean, you can check the blood CA125 and ultrasound, etc. Most of them are caused by pelvic endometriosis or adenomyosis, which will cause abdominal pain during the period, as well as an increase in the amount of menstruation, uterine enlargement, and even cause infertility to pay attention to timely treatment.