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胎儿在正常妊娠母体子宫内不会受到排斥。但是,如果把胎儿组织移植到母体子宫外其他部位母体就会发生排斥反应。那么在母胎界面处一定有抑制淋巴细胞活性的抑制成分存在。
Fetus in the normal pregnant mother’s uterus will not be excluded. However, if the fetus is transplanted to the maternal uterus in other parts of the mother there will be rejection. So in the maternal-fetal interface must inhibit the presence of inhibitory elements of lymphocyte activity.