结论孕产妇中存在TTV感染，并可能通过母婴传播的途径感染胎儿。
Conclusions There is a possibility of vertical maternal fetal transmission of TTV.
目的探讨孕产妇输血传播病毒（TTV）感染率及其在母婴间的传播途径。
Objective To observe the transfusion transmitted virus (TTV) infection rate in gravidas and parturients, and explore the route of maternal fetal transmission.
综述乙肝母婴传播的途径及其阻断方法。
To investigate the route of mother-to-infant hepatitis B virus (HBV) transmission and the interruption.
结论：血途径是HCV感染的主要传播途径。母婴传播及医务人员的被感染值得重视。
Conclusion Blood transmission was the main route for HCV infection transmission and mother-to-infant transmission as well as infections in medical personnels should be of great concern.
调查结果显示，在未采取干预措施的情况下，艾滋病母婴传播不断发生，传播率高达38.1%，是儿童感染HIV的主要途径。
Survey, not to intervene in the case, mother to child transmission of AIDS continue to occur, transmission rates up to 38.1%, is the main way children infected with HIV.
调查结果显示，在未采取干预措施的情况下，艾滋病母婴传播不断发生，传播率高达38.1%，是儿童感染HIV的主要途径。
Survey, not to intervene in the case, mother to child transmission of AIDS continue to occur, transmission rates up to 38.1%, is the main way children infected with HIV.
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