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1·We analyzed the clinical pathological characteristics of a case of intraplacental choriocarcinoma in a term placenta with maternal and infant metastases and reviewed the literature.

对一例足月妊娠胎盘内绒毛膜癌合并母婴转移的病例进行临床病理分析，并复习相关文献。

2·Placenta previa, premature rupture of fetal membrane (PROM), multiple pregnancy and maternal chronic hypertension are the main rlated factors of premature delivery;

新生儿窒息的危险因素有胎儿宫内发育迟缓，母亲孕期并发妊高征和胎儿窘迫。

3·This article discusses the causes of placenta previa, harm, termination of pregnancy, bleeding after the treatment, mainly to reduce maternal and infant mortality.

本文探讨前置胎盘的病因、危害、妊娠的终止、出血后的处理方法，主要是为了降低母婴的死亡率。

4·Objective to study the transfer of oxytocin across the single cotyledon of the term human placenta and the effects of maternal hypoproteinemia and fetal acidemia on the transfer.

目的研究缩宫素经离体人胎盘绒毛叶的转运及母血低蛋白血症和胎儿血酸血症对转运的影响。

5·Conclusion It may become true by the way transferred between the cells from the mother side to the fetus side in the placenta about maternal fetal transmission of HBV.

结论HBV母婴传播可能还存在一种从胎盘母体面向胎儿的细胞转移的方式；

6·To observe the express of HBsAg and the pathological changes in the placenta and liver tissue of the died fetus infected by HBV by maternal - fetal transmission.

观察乙型肝炎病毒在胎盘、肝组织中的表达和引起胎盘组织的病理改变情况。

7·The high levels of maternal serum markers was significantly associated with preeclampsia, neonatal asphyxia, fetal growth restriction, fetal demise, and abnormal placenta.

与母血清标志物升高有关的不良结局有子痫前期、新生儿窒息、胎儿生长受限、胎儿丢失及胎盘异常。

8·The improved performance with later gestation is likely attributable to the increased concentration of cell-free fetal DNA within maternal blood as the fetus and placenta develop.

在妊娠期较晚时的测试性能的提高可能与随着胎儿和胎盘的发育母体血液中无细胞胎儿dna浓度的增加有关。