Acupuncture twice a week during the preceding cycle and the ovarian stimulation by “gonadotropin releasing hormone (GnRH) agonist stopped protocol. All patients will receive acupuncture by the same physician (Dr.Salimi). In experimental groups, acupuncture will be applied for 30 minutes in each session and will be started from the month prior to onset of ovarian stimulation (two sessions of a weekly), and during the ovarian stimulation cycle (two sessions of a weekly), totally 14 acupuncture sessions will be carried out. Acupuncture will be performed using sterile needle on specific points
(CV 3 (Zhongji), CV 4 (Guanyuan), ST 25 (Tianshu), ST 28 (Shuidao), ST 29 (Guilai), and LR 3 (Taichong), BL 23 (Shenshu), BL 32 (Ciliao), GV 20 (Baihui), GV 24 (Shenting), GB 13 (Benshen), ST 36 (Zusanli), SP 6 Sanyinjiao), SP 8, SP 10 and KI 3 (Taixi)). The needles were inserted to a depth of 15–30 mm, depending on the region of the body.