loadingembryos based on the assessment of suitable conditions．Hum Reprod,l998, 13:2874-2879．
2 Yokota Y,Sato S,Yokota M,et a1.Successful pregnancy following blastocyst vitrification:case report[J].Human Reproduction,2000,15:1802-1803
3 Zhu D,Zhang J,Cao S,et al.Vitrification-warmed blastocyst transfer cycles yield higher pregnancy and implantation rates compared with fresh blastocyst transfer cycles:time for a new embryo transfer strategy [J].Fertil Steril,2011,95(5):1691
4 张顺吉,林戈,卢光琇等.卵裂期胚胎、囊胚的玻璃化冷冻解冻的妊娠结果分析[J].2011,21(8):955-958
5 黄国宁,孙海翔等.体外受精-胚胎移植实验室技术.人民卫生出版社 6 田莉峰,黄志辉,丁涛等.采用玻璃化冻融囊胚技术临床妊娠7例报道[J].江西医药,2011,46(9):845-847