Main Entry: erythroblastosis fe·ta·lis

Pronunciation: \-fi-ˈtal-əs\

Function: noun

: a hemolytic disease of the fetus and newborn that is characterized by an increase in circulating erythroblasts and by jaundice and that occurs when the system of an Rh-negative mother produces antibodies to an antigen in the blood of an Rh-positive fetus which cross the placenta and destroy fetal red blood cells—called also hemolytic disease of the newborn, Rh disease