Objective To observe the transfusion transmitted virus (TTV) infection rate in gravidas and parturients, and explore the route of maternal fetal transmission.
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。
Purpose to observe the clinic curative effect of intrauterine fetal blood transfusion to neonatal RH hemolytic disease.
目的：观察宫内胎儿输血治疗新生儿溶血病的临床效果。
Purpose to observe the clinic curative effect of intrauterine fetal blood transfusion to neonatal RH hemolytic disease.
目的：观察宫内胎儿输血治疗新生儿溶血病的临床效果。
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