[A pregnant woman with a red skin and itch].

A 35-year-old, Caucasian multiparous woman presented in the outpatient clinic with an itchy skin rash and arthropathy at 32 weeks gestation. The diagnosis of human parvovirus B19 infection was confirmed by serological tests positive for IgG and IgM antibodies. Parvovirus infection during pregnancy may cause fetal anemia and hydrops fetalis.