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Non-immune Hydrops fetalis due to Parvovirus B19 Infection in 2 Extremely Preterm Infants: Perinatal Management and Long-term Neurodevelopmental Outcome.

Parvovirus B19 (B19V) infection during pregnancy can lead to fetal damage and even fetal loss. In some cases a severe fetal anemia with hydrops fetalis occurs. An intrauterine red blood cell transfusion can reduce the mortality rate. Neurodevelopmental outcome after fetal B19V infection is affected by fetal anemia and presumably direct infection of the CNS. There are only a few studies on long-term neurodevelopmental outcome after B19V infection induced hydrops fetalis. There are hardly any long-term data especially in preterm infants. We report on the long-term outcomes of 2 extremely preterm children after non-immune hydrops fetalis due to intrauterine B19V Infection.