A clinical trial of acupuncture about time-varying treatment and points selection in primary dysmenorrhea

we acupunctured single point Shiqizhui (EX-B8) and multi-points including Shiqizhui (EX-B8), Sanyinjiao (SP6), Diji (SP8) and Ciliao (BL32) in time-varying treatment for primary dysmenorrhea in order to observe the clinical therapeutic effects. 243