2Simon C, Garcia Velasco JJ, Valbuera D, et al. Increasing uterine receptivity by decreasing estradiol levels during the preimplantation period in high responders with the use of a follicle-stimulating hormone step-down regimen[J]. Fertil Steril, 1998,70(2) : 234-239.
3Levy DP, Navarro JM, Schattman GL, et al. The role of LH in ovarian stimulation, exogenous LH: let's design the future[J]. Hum Repod,2000,t5(11):2258-2265.
1Kline J,Kinn y A,Kelly A,et al.Predictors of antral follicle count during the reproductive years[J].Hum Reprod,2005,20(8)2179-89.
2Gleieher N, Karande V, Generic human menopausal gonadotropin(hMG) in place of more costly follicle stimulating hormone( FSH )for routine ovulation induction[ J]. J Assist Reprod Genet ,2000.17( 9 ) :489-495.
3Rina A ,Jeremy H, Howard S, et al. Follicle-stimulating hormone or human menopausal gonadotropin for ovarian stimulation in in vitro fertilization cycles : a recta-analysis [ J ]. Fetril Steril, 2000,73 ( 2 ) :338-343.
