MONOZYGOTIC DOUBLE INNER CELL MASSES IN MOUSE BLASTOCYSTS FOLLOWING FERTILIZATION INVITRO AND INVIVO

被引：17

作者：

CHIDA, S ^{[1
]}

机构：

[1] UNIV KIEL,DEPT OBSTET & GYNECOL,W-2300 KIEL 1,GERMANY

来源：

JOURNAL OF IN VITRO FERTILIZATION AND EMBRYO TRANSFER | 1990年 / 7卷 / 03期

关键词：

D O I：

10.1007/BF01135685

中图分类号：

R71 [妇产科学];

学科分类号：

100211 ;

摘要：

The incidence of human identical twins after in vitro fertilization and embryo transfer (IVF-ET) is estimated to be higher than the commonly accepted incidence after conception in vivo. This paper reports that 8 mouse blastocysts which had double inner cell masses in 261 blastocysts (3.1%) were identified after fertilization in vitro and they developed into trophoblastic outgrowths formation with two inner cell masses. In contrast, only 3 monozygous double inner cell masses were observed in 526 blastocysts (0.6%) which were fertilized in vivo and cultured from the two-cell stage in vitro. It is therefore possible that fertilization in vitro predisposes to monozygous twinning. © 1990 Plenum Publishing Corporation.

引用

页码：177 / 179

页数：3

共 8 条

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