9MCWILLIAMS G D, FRATFARELLI J L. Changes in measured endometrial thickness predict in vitro fertilization success [ J ]. Fertil Steril, 2007, 88( 1 ) : 74 -81.
10BASIR G S,O W S, SO W W, et al. Evaluation of cycle - to - cycle variation of endometrial responsiveness using transvaginal sonography in women undergoing assisted reproduction [ J ]. Ultrasound Obstet Gynecol, 2002, 19(5 ) : 484 -489.
