The occurrence of episodes of immunization in pregnancy associated with Rh haemolytic disease of the new-born.
D004899:Erythroblastosis, Fetal; D005260:Female; D006801:Humans; D007114:Immunization; D007231:Infant, Newborn; D011247:Pregnancy; D014611:Vaccination
ERYTHROBLASTOSIS, FETAL