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目的 总结与探讨影响常规体外受精－ 胚胎移植（ＩＶＦ－ ＥＴ） 妊娠率的因素。方法 对１９９９ 年１ 月至８ 月在我院门诊接受ＩＶＦ－ ＥＴ的３６ 对不孕夫妇采用促性腺激素释放激素（ＧｎＲＨａ）／ 高纯促卵泡素（ＦＳＨＨＰ）／绒毛膜促性腺激素（ｈＣＧ） 刺激排卵方案，Ｂ 超监测卵泡发育情况并引导经阴道取卵，培养后加入丈夫精子孵育，将高质量胚胎转移至子宫。结果 取卵３５６ 个，平均每周期取卵１０ ．２ 个；受精率６６ ．５ ％ ；卵裂率８８．９％ 。移植胚胎１０８ 个，平均每周期移植３ ．３７ 个。结论 １２ 例妊娠，其中１０ 例临床妊娠，２ 例生化妊娠。开始周期妊娠率３２ ．４ ％ ，卵回收周期妊娠率３６．４％ ，移植周期妊娠率３７．５％ 。不孕年龄、不孕年限、不孕原因、胚胎质量是影响妊娠率的因素。
Objective To summarize and discuss the factors influencing the pregnancy rate of conventional IVF-ET. Methods Thirty-six infertile couples receiving IVF-ET from our hospital from January 1999 to August 1999 were randomly divided into two groups: GnRHa / FSHHP and chorionic gonadotropin hCG) to stimulate the ovulation program, B-monitoring of follicular development and guide the vaginal oocyte, cultured after adding husband sperm incubation, the high-quality embryos transferred to the uterus. As a result, 356 eggs were picked, with an average of 10 eggs per cycle. 2; fertilization rate 66. 5%; cleavage rate of 88.9%. Transplanted embryos 108, with an average of 3 per cycle. 37. Conclusions 12 cases of pregnancy, of which 10 cases of clinical pregnancy, 2 cases of biochemical pregnancy. Start cycle pregnancy rate 32. 4%, egg recovery cycle pregnancy rate of 36.4%, pregnancy cycle rate of 37.5%. Age of infertility, duration of infertility, causes of infertility, embryo quality is a factor affecting the pregnancy rate.