Pain after intercourse may be associated with endometriosis, ovarian cysts, fibroids and other diseases. 1. Endometriosis: Normal endometrium is located in the uterus, if the endometrial tissue appears outside the uterus, it is called endometriosis. If it is ectopic to the abdominal cavity or the back wall of the uterus, symptoms of dysmenorrhea will occur, and pain will also occur after intercourse. 2. Ovarian cysts: Ovarian cysts are a kind of disease caused by the appearance of cystic structures inside the ovaries, which is related to the environment and dietary factors to some extent. In serious cases, there will be secondary infections or rupture of the cysts, which will cause pain during intercourse. 3. Uterine fibroids: uterine fibroids are benign tumors that grow mainly in the reproductive organs, and can cause vaginal bleeding or abdominal swelling, especially during intercourse when the pain is more obvious. There may be other reasons for the pain after intercourse, it is recommended to go to the hospital in time to do the examination, to clarify the cause and diagnosis, and then standardize the treatment under the guidance of the physician, so as not to delay the condition.