Menstruation half month does not go how to return a responsibility

Normal female menstruation lasts for three to seven days, up to no more than ten days. If menstruation has not been clean for half a month, it is often caused by gynecological inflammation, such as acute pelvic inflammatory disease, endometrial polyps or uterine fibroids, etc. In addition, it is necessary to consider the abnormal proliferation of endometrium, which has a certain relationship with the disorder of hormone levels.