1Salumets A,Tuuri T,Makinen S,et al.Effect of developmental stage of embryo at freezing on pregnancy outcome of frozen-thawed embryo transfer[J].Hum Reprod,2003,18:1890-1895
2Trounson A, Mohr L. Human Pregnancy following cryopreservation,thawing and transfer of an eight-cell embryo [J ]. Nature, 1983,305:707 - 709.
3Testart J, Lassalle B, Belaisch AJ. High pregnancy rate after early human embryo freezing[J]. Fertil Steril, 1986,46(2):268- 272.
4Testart J, Lassalle B, Forman R, et al. Factors influencing the success rate of human embryo freezing in vivo and in vitro fertilization and embryotransfer program [ J ]. Fertil Steril,1987,48:107 - 112.
5Simon A, Hurwitz A, Zentner B S, et al. Transfer of frozenthawed embryos in artificially prepared cycles with and without prior gonadotropin-releasing hormone agonist suppression: a prospective randomized study[J]. Hum Reprod,1998,13:2712- 2717.
6Emiliani S, Van den Bergh M, Vannin A S, et al. The outcome cryopreserved human embryos after intracytoplasmic sperm imjection an traditional IVF[J]. J Assist Reprod Genet, 1999,16:405 - 409.
7Macas E, Imthurn B, Borsos M, et al. Impairment of the development potential of frozen-thawed human zygotes obtained after intracytoplasm sperm injection[J]. Fertil Steril,1998,69:630 - 635.
8Gordon J W, Dapunt U. A new mouse model for embryos with a hatching deficiency and its use to elucidate the mechanism of blastocyst hatching[J]. Fertil Steril,1993,59:1296- 1301.
9Burns W N, Gaudet T W, Martin M B, et al. Survival of cryopreservation and thawing with all blastomeres intact identifies multicell embryos with superior frozen embryo transfer outcome[J]. Fertil Steril, 1999,72(3):527- 532.
10Kaltrom P O, Bergh T, Fosberg A S, et al. Prognostic factor for success rate of embryo freezing[J]. Hum Reprod,1997,12(6) :11263 - 11266.
3Kattera S, Chen C. A modified embryo cryopreservation method increase post- thaw survival with a concomitant increase in implantation [J] . Fertil Steril, 2005, 84 (5): 1498.
4El - Toukey T, Khalaf Y, AI - Darazi K. Cryo - thawed embryo obtained from conception cycles have double the implantation and pregnancy potential of those from unsuccessful cycles [ J ] . Hum Reprod, 2003, 18 (5): 1313.
5Guerif F, Bidault R, Cadoret V, et al. Parameters guiding selection of best embryos for transfer after cryopreservation: a reappraisal [ J] . Hum Reprod, 2002, 17 (5): 1321.
6黄荷风主编.现代辅助生育技术[M].第1版,北京:人民军医出版社,2003:232-233.
7Cummins JM, Breen TM, Harrison KI, et al. A formula for scoring human embryo growth rates in vitro fertilization: its Value in predicting pregnancy and in comparison with visual estimates of embryo quality [J] . J In Vitro Fert Embryo Transfer, 1986, 5 (1) : 284.
8Salumets A, Tuuri T, Madinen S, et al. Effect of developmental stage of embryo at freezing on pregnancy outcome of frozen - thawed embryo trasfer [J] . Hum Reprod, 2003, 18 (7) : 1890.