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目的:观察自然周期行冷冻胚胎移植的效果,探讨影响其成功的因素。方法:79例患者胚胎玻璃化冷冻后在自然周期行胚胎解冻移植,按新鲜周期不同受精方式及患者年龄进行分组,比较组间胚胎复苏率、临床妊娠率、种植率等指标。结果:卵胞浆内单精子显微注射助孕组临床妊娠率、胚胎种植率高于常规体外受精助孕组,但差异无统计学意义(P>0.05);年龄≥35岁组临床妊娠率及胚胎种植率有所下降,但与年龄<35岁组比较差异无统计学意义(P>0.05)。结论:年龄和受精方式不影响自然周期冷冻胚胎移植的妊娠率。
OBJECTIVE: To observe the effect of frozen embryo transfer in natural cycles and to explore the factors affecting its success. Methods: Seventy-nine patients undergoing embryo vitrification were thawed and embryo thawed in the natural cycle, and divided into groups according to the fresh cycle and different fertilization methods and the patient’s age. The embryo recovery rate, clinical pregnancy rate, implantation rate and other indicators were compared. Results: The pregnancy rate and embryo implantation rate in intracytoplasmic sperm injection group were higher than those in routine IVF pregnancy group (P> 0.05). The clinical pregnancy rate And embryo implantation rate decreased, but there was no significant difference with age <35 years group (P> 0.05). Conclusion: Age and fertilization methods do not affect the pregnancy rate of natural frozen embryo transfer.