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用ＥＩＡ和ＰＣＲ方法对ＨＣＶ感染孕妇的１７名婴儿和３名引产胎儿进行了ＨＣＶ母婴垂直传播研究。对１７名婴儿随访１～２年。１７名婴儿出生时ＩｇＧ抗－ＨＣＶ全部阳性，１６名在半年内消失，仅１名ＨＣＶＲＮＡ持续阳性者生后１２个月ＩｇＧ抗－ＨＣＶ仍然阳性。ＨＣＶＲＮＡ阳性孕妇的１２名婴儿中２名检出ＨＣＶＲＮＡ，３例引产胎儿中１例检出ＨＣＶＲＮＡ。结果表明存在ＨＣＶ母婴垂直传播，传播率为１５％。
17 males and 3 aborted fetuses of HCV-infected pregnant women were tested for vertical transmission of maternal and females by EIA and PCR. 17 infants were followed up for 1 to 2 years. Seventeen infants with IgG anti-HCV were all positive at birth, 16 disappeared within six months, and only one HCVRNA persistently positive at 12 months after birth and IgG anti-HCV was still positive. Two out of 12 infants of HCVRNA-positive pregnant women detected HCVRNA and one out of 3 fetus fetuses detected HCVRNA. The results showed the presence of HCV mother and child vertical transmission, the transmission rate was 15%.