What is the pain sometimes on the right side of the lower abdomen before menstruation

The right side of the abdomen before menstruation sometimes painful pain, first consider may be dysmenorrhea symptoms, is caused by palace cold. Secondly, there may be inflammation caused, such as pelvic inflammatory disease, appendicitis, etc., if the symptoms of persistent right side of the abdomen pain, it is best to go to the hospital to check, clear the cause.