Fetal survival after human parvovirus B19 infection: spectrum of intrauterine response in a twin gestation.

We report the first known symptomatic survivors of congenital parvovirus infection. One fetus was hydropic and the other was growth retarded. There was no evidence of anemia. The antenatal diagnosis of congenital infection requires a multifaceted approach, which includes serology, cultures, and electron microscopy.