Overnight life generally refers to sex, after sex on the abdominal pain may be rough sex, uterine cramps, gynecological diseases and other causes. 1. Rough sex. Sexual life posture is not appropriate or sexual intercourse time is too long, the action is too rough, will lead to female pelvic congestion, thus appearing after sex abdominal pain symptoms, generally stop sex after abdominal pain symptoms will gradually reduce, disappear, can be localized hot compresses to observe, pay attention to coitus when the action is gentle, do not need special treatment. 2. Uterine spasm. Sexual life by external pressure stimulation and hypersexuality will lead to pelvic congestion, the reproductive organs and pelvic tissues and organs spasms, which will cause pain and discomfort in the stomach, generally easy to occur during orgasm, but the duration is short, and stop intercourse for a period of time after the abdominal pain will disappear on its own, and do not need treatment. 3. Gynecological diseases. If every time after sex there is abdominal pain, and accompanied by increased leukorrhea or odor, lumbar pain and other discomforts, it is gynecological diseases, most commonly seen in pelvic inflammatory disease, ovarian cysts and other diseases, these diseases themselves will cause abdominal pain symptoms, sexual stimulation of the pelvic cavity to aggravate the pelvic congestion, so that the symptoms of abdominal pain aggravation, and abdominal pain lasts a long time. You can do ultrasound and gynecological examination in time, and give gynecological thousand gold tablets, adamantine capsule, levofloxacin and other medications as prescribed by the doctor. You should also suspend sexual intercourse and wait for the gynecological disease to get better before having intercourse.