徒手切割胚胎移植妊娠率与显微操作仪切割胚胎的妊娠率分别为40.7%和39.1%，差异不显著（P>0.05）；

No difference were founded in pregnancy rate on splitting means , respectively 40.7%and 39.1% (P>0.05);

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徒手切割胚胎移植妊娠率与显微操作仪切割胚胎的妊娠率分别为40.7%和39.1%，差异不显著（P>0.05）；

No difference were founded in pregnancy rate on splitting means , respectively 40.7%and 39.1% (P>0.05);

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