Case 219. 

Parvovirus B19-induced hydrops fetalis (25 f-w F, prematurity)
　 　 　 　
　 Intrauterine fetal death at the 25th week of gestation, showing hydrops fetalis (the mother suffered from erythema infectiosum at the 10th week of gestation) 　
　 　 　 　

　

 　 Immunostaining for parvovirus B19 antigen demonstrates distinct nuclear reactivity in the infected erythroblasts.