Objective: To analyse the factors influencing the outcome of frozen-thawed embryo transfer(FET).
目的：探讨影响冷冻胚胎移植妊娠率的相关因素。
CONCLUSION: Blastomere survival status is a most important factor influencing the implantation rate of frozen-thawed embryo transfer.
结论：卵裂球的存活状况是影响冻融胚胎种植率的重要因素。
Objective To evaluate the influence between the embryos' quantity and quality on the pregnancy outcome of frozen-thawed embryo transfer (FET).
目的探讨移植胚胎数量和质量与对冻融胚胎移植结局的影响。
The implantation rates of frozen-thawed embryo transfer cycle was significantly lower than fresh embryo transfer cycle(13.28% Vs. 27.62% respectively P<0.01).
与同期新鲜胚胎移植周期的种植率27.62%比较，冻融胚胎移植的种植率13.28%显著降低（P<0.01）。
There is no significant difference in the clinical pregnancy rate (per embryo transfer cycle)between frozen-thawed oocyte group and frozen-thawed embryo group.
冻卵移植周期与冻胚移植周期的妊娠率差异也无统计学意义；
There is no significant difference in the clinical pregnancy rate (per embryo transfer cycle)between frozen-thawed oocyte group and frozen-thawed embryo group.
冻卵移植周期与冻胚移植周期的妊娠率差异也无统计学意义；
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