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pregnancy complicated with varicella infection

Primary varicella infection during pregnancy is not common. Fetal varicella syndrome after 20 weeks of pregnancy is even rarer. However, once it happens, it may have many adverse effects on mothers and their offspring. Varicella virus is one of the few viruses that can cause teratogenesis. If it is found within 12 weeks of pregnancy, the probability of causing fetal malformation is 0.4%; 13 to 20 weeks pregnant...

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