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首页> 外文期刊>Journal of obstetrics and gynaecology: the journal of the Institute of Obstetrics and Gynaecology >Evaluation of embryo transfer time (day 2 vs day 3) after imposed single embryo transfer legislation: When to transfer?
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Evaluation of embryo transfer time (day 2 vs day 3) after imposed single embryo transfer legislation: When to transfer?

机译：实施单一胚胎移植法规后评估胚胎移植时间（第2天与第3天）：何时移植？

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摘要

To determine whether the timing of embryo transfer (day 2 or day 3) affects pregnancy outcome in IVF patients, receiving single or double embryo transfer, 380 patients were included in this retrospective study. All patients underwent GnRH antagonist protocol. When stratified by number of transferred embryos, single embryo transfer (SET) patients undergoing a day 2 embryo transfer (ET) had similar biochemical pregnancy (25% vs 20.4%; p > 0.05) and clinical pregnancy (16.6% vs 14.6%; p > 0.05) rates to SET patients that were undergoing a day 3 ET. A similar observation was again noted in double embryo transfer (DET) patients undergoing a day 2 ET, with similar biochemical pregnancy (35% vs 29.8%; p > 0.05) and clinical pregnancy (25% vs 15.5%; p > 0.05) rates to DET patients undergoing a day 3 ET. Women, despite age, number of transferred embryos and ET timing, have similar reproductive outcomes. Shortening or lengthening the duration of in vitro culture provides no obvious benefit.
机译：为了确定胚胎移植的时机（第2天或第3天）是否会影响接受单胚胎移植或双胚胎移植的IVF患者的妊娠结局，该回顾性研究纳入了380位患者。所有患者均接受了GnRH拮抗剂方案。按移植胚胎的数量进行分层时，接受第2天胚胎移植（ET）的单胚胎移植（SET）患者的生化妊娠率相似（25％vs 20.4％; p> 0.05）和临床妊娠率（16.6％vs 14.6％; p >接受第3天ET的SET患者的比率> 0.05）。在经历第2天ET的双胚胎移植（DET）患者中，生化妊娠率（35％vs 29.8％; p> 0.05）和临床妊娠率（25％vs 15.5％; p> 0.05）相似，再次观察到相似的观察结果。接受第3天ET的DET患者。妇女，尽管年龄，移植胚胎的数量和ET的时间选择，都具有相似的生殖结果。缩短或延长体外培养的持续时间没有明显的益处。

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