There are more reasons for abdominal pain after intercourse, including muscle spasms, gynecological diseases and ruptured cysts, as follows: 1. Muscle spasms: As the abdominal and pubic muscles may be in a state of tension and contraction during intercourse, thus causing abdominal muscle spasms. It may not be completely relieved after intercourse, thus causing painful symptoms in the small abdomen. Usually belongs to the physiological pain, pain duration is short, can disappear sooner; 2, gynecological diseases: if abdominal pain after intercourse often, need to check whether there are related gynecological diseases, such as chronic inflammatory diseases such as chronic pelvic inflammatory disease, adnexitis; even cervical erosion, etc., usually produce symptoms of abdominal pain after intercourse; 3, cyst rupture: if abdominal pain after intercourse is more intense, may be Gynecological cyst rupture, such as chocolate cyst rupture.