Some women experience pain in the adnexal area during menstruation, which can be caused by the following reasons: 1. It may be due to the presence of cysts on the ovaries of the female patient. When ovarian cysts are present, the ovaries will be in a state of edema and congestion, which will compress the nearby organs and cause pain in the adnexal area.2. When female patients have endometriosis, pain in the adnexal area will also occur during their physiological cycle, which will also lead to dysmenorrhea, and if it is not treated in time, the female patients will also suffer from amenorrhea or infertility if it is serious.3. Some women will engage in physical labor during their physiological cycle, which will cause overwork of the body. Some women may engage in physical labor during their physiological cycle, which may cause over-exertion of the body, resulting in pain in the adnexal area due to the burden on the genitals, or even hemorrhage in severe cases. These are the causes of pain in the adnexal area. In addition to these, if a woman has adnexitis, it can also cause pain in the adnexal area.