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过期妊娠影响胎儿生长、发育的因素是胎盘老化和其功能下降。关于过期妊娠胎盘的超微结构,国内外文献尚未见有报道,现将我院电镜观察所见的胎盘超微结构报告如下。
Expired pregnancy affect fetal growth, developmental factors are placental aging and decreased function. On the ultrastructure of placenta in overdue pregnancy, the literature has not been seen at home and abroad, now our hospital electron microscopy findings seen in the ultrastructure of placenta are as follows.