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首页> 外文期刊>Iranian Journal of Reproductive Medicine >DELAYED TRANSFER OF EMBRYOS FROM 2 TO 3 OR 4 DAYS AFTER OOCYTE RETRIEVAL AND THE PREGNANCY RATE IN ICSI
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DELAYED TRANSFER OF EMBRYOS FROM 2 TO 3 OR 4 DAYS AFTER OOCYTE RETRIEVAL AND THE PREGNANCY RATE IN ICSI

机译：卵母细胞取回后2到3或4天的胚胎延迟转移以及ICSI的妊娠率

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Background: Embryo transfer (ET) has traditionally been performed two days after oocyte retrieval. Delaying transfer from day two today three or four would allow for further development of the embryo, might therefore optimize the selection of viable and best quality embryos for transfer and may be closer to the physiological time of the entry into the uterus than transfer on day two, and might have a positive effect on pregnancy outcomes.Objective: The study aimed to determine whether delayed transfer of embryos from 2 to 3 or 4 days after oocyte retrieval and the pregnancy rate in ICSI (intra cytoplasm sperm injection) procedure.Materials and Methods: In this descriptive study we evaluated infertile couples who were referred to the Mehr Infertility Institute between 2006 and 2008 for ICSI, according to the day of embryo transfer. We compared embryo quality, pregnancy rate and implantation rate among day 2, 3 or 4 of transfers. Pregnancy rate was confirmed by measurement of ?2-hCG in serum after 14 days. After data collection, analysis was carried out with the t-test and chi squared tests by using the statistical software package, SPSS.16.Results: The overall clinical pregnancy rate (CPR) reported was 46.6%. The mean age of women and duration of infertility didn't differ on the day of embryo transfer (p0.05). Overall CPRs were not statistically different for day 2 (50.3%), day 3 (46.5%) and day 4 (34.8%) transfers respectively, there were no significant differences in the age of transferred embryos between pregnant and nonpregnant women (p0.05).Conclusion: From the result of the present study there were no statistically significant differences in pregnancy rates according to the day of embryo transfer.
机译：背景：传统上，卵母细胞取出后两天进行胚胎移植（ET）。从第二天的第二天或第三天推迟移植将允许胚胎的进一步发育，因此可能优化选择可行且质量最好的胚胎进行移植，并且比第二天移植更接近进入子宫的生理时间目的：本研究旨在确定卵母细胞取回后2至3或4天是否延迟胚胎移植以及ICSI（胞浆内精子注射）程序的受孕率。 ：在此描述性研究中，我们根据胚胎移植的日期，评估了在2006年至2008年之间因ICSI被转介到Mehr不孕症研究所的不育夫妇。我们比较了移植第2、3或4天的胚胎质量，妊娠率和着床率。 14天后通过测定血清中的β2-hCG确定怀孕率。收集数据后，使用统计软件包SPSS对t检验和卡方检验进行分析。16。结果：报告的总临床妊娠率（CPR）为46.6％。在胚胎移植当天，妇女的平均年龄和不孕持续时间没有差异（p> 0.05）。移植后第2天（50.3％），第3天（46.5％）和第4天（34.8％）的总体CPR差异无统计学意义，孕妇和非孕妇之间的移植胚胎年龄没有显着差异（p> 0.05 ）结论：根据本研究的结果，根据胚胎移植的日期，妊娠率没有统计学上的显着差异。

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