Then these 1-cell embryo,2-cell embryo,morula and blastocyst were respectively transferred into the oviduct and the uterus of pseudopregnancy KM mouse.

• 结果移入1-细胞胚、2-细胞胚、桑椹胚和囊胚的假孕母鼠妊娠率分别为36.；36%25、42