1Smitz J. LH and hCG: Their distinct physiological roles and use in ovarian stimulation protocols[M]//Ovarian Stimulation Protocols. Springer India, 2016: 57-69.
3Motta EL, Smith GD, Serafini PC, et al. Human chorionic gonadotropin prior to controlled ovarian stimulation and in vitro fertilization improves implantation, and pregnancy rates [J]. J Assist Reprod Gen,2009, 26(6): 305-311.
4Propst AM, Hill MJ, Bates GW, et al. Low-dose human cho- rionie gonadotropin may improve in vitro fertilization cycle out- comes in patients with low luteinizing hormone levels after gonadotropin-releasing hormone antagonist administration[J]. Fertil Steril,2011,96(4) : 898-904.
5Beretsos P, Partsinevelos GA, Arabatzi E, et al."hCG prim ing" effect in controlled ovarian stimulation through a long protoeol[J].Reprod Biol Endocrinol, 2009,7 (1) : 1-7.
6Serafini P, Yadid I, Motta ELA, et al. Ovarian stimulation with daily late follicular phase administration of low-dose hu- man ehorionic gonadotropin for in vitro fertilization: a pro- spective, randomized trial[J]. Fertil Steril, 2006,86 (4) : 830- 838.
7Koichi K, Yukiko N, Shima K, et al.Efficacy of low-dose hu- man chorionie gonadotropin (hCG) in a GnRH antagonist pro- tocol[J]. J Assist Reprod Gen,2006,23(5) :223-228.
8Filicori M, Fazleabas AT, Huhtaniemi I, et al.Novel concepts of human chorionic gonadotropin: reproductive system interac- tions and potential in the management of infertility[J]. Fertil Steril,2005,84(2) : 275-284.
9Cavagna M, Maldonado LGL, de Souza Bonetti TC, et al.Sup- plementation with a recombinant human chorionic gonadotro- pin mierodose leads to similar outcomes in ovarian stimulation with recombinant follicle-stimulating hormone using either a gonadotropin-releasing hormone agonist or antagonist for pitu- itary suppression[J]. Fertil Steril, 2010,94(1):167-172.
8Dozortsev D, Nagy P, Abdelmassih S, etal. The optimal time for intracytoplasmic sperm injection in the human is from 37 to 41 hours after administration of human chorionic gonadotropin. Fertil Steril, 2004, 82(6): 1492-6.
9Yuzpe AA, Liu Z, Fluker MR. Rescue intracytoplasmic sperm injection (ICSI)-salvaging in vitro fertilization (IVF) cycles after total or near-total fertilization failure. Fertil Steril, 2000, 73(6): 1115-9.
10lsiklar A, Mercan R, Balaban B, et al. Impact of oocyte preincubation time on fertilization, embryo quality and pregnancy rate after intracytoplasmic sperm injection. Reprod Biomed Online, 2004, 8(6):682-6.