AIM: to evaluate the risk factors of HBV intrauterine transmission.
目的：综合评价HBV宫内传播发生的危险因素。
At present, most of the reports about the mechanism of HBV intrauterine transmission are descriptive studies.
有关HBV宫内传播机制，国内外文献多为描述性研究。
Conclusions HBV infection of placental capillary endothelial cell is a major risk factor of intrauterine transmission.
结论胎盘绒毛毛细血管内皮细胞感染是宫内传播的主要危险因素。
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