A sample group of 128 school children, ranging from five to 11 years old, was used by the researchers to conduct the study.
研究人员对介于5岁到11岁的128个在校孩子进行了测试研究。
Results: In the study group, the incidence of HBV intrauterine infection was 13.75%(11/80).
结果：研究组孕妇分娩的新生儿80例有11例HBV宫内感染，HBV宫内感染率为13.75%。
Results: In the study group, the incidence of HBV intrauterine infection was 13.75%(11/80).
结果：研究组孕妇分娩的新生儿80例有11例HBV宫内感染，HBV宫内感染率为13.75%。
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