Post-coital abdominal pain is common in women with chronic inflammatory diseases, such as adnexitis and pelvic inflammatory disease patients, during or after sex will have small abdominal pain, soreness and swelling. You can take oral medication, such as gynecological Qianjin tablets, and go to the hospital for ultrasound examination to see if it is caused by pelvic fluid and ovarian cysts. Flatulence or chronic intestinal inflammation related to the need for hot compresses on the abdomen, before and after sex to keep clean, wash more, go to the hospital on a regular basis to review the ultrasound, timely use of medication, usually about a week can be cured.