What is the cause of menstrual lumbago?

Menstruation lumbago abdominal pain, consider may be dysmenorrhea, generally related to factors such as palace cold, qi stagnation and blood stasis. Secondly, there may be gynecological diseases, such as cervicitis, pelvic inflammatory disease, endometriosis, etc., you can go to the hospital after menstruation to do a uterine color ultrasound examination to confirm the cause.