Objective To evaluate the placental function and predict the pregnancy outcome by studying the relation between ultrasound placental mature grading and the pathology changes of the placenta.
目的探讨胎盘成熟度分级与胎盘病理改变的关系，评价胎盘功能，预测分娩结局。
Objective To discuss the relation between fetal placenta product free estriol level and pregnancy outcome.
目的探讨胎儿胎盘产物游离雌三醇水平与妊娠的关系。
Objective To discuss the relation between fetal placenta product free estriol level and pregnancy outcome. Methods The free estriol was detected with immunofluorescence in pregnancy.
目的探讨胎儿胎盘产物游离雌三醇水平与妊娠的关系。
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