Transplacental passage of fetal red cells into the maternal circulation. In normal, abnormal, and instrumental deliveries.
D000740:Anemia / Q000151:congenital*; D036861:Delivery, Obstetric; D005113:Extraction, Obstetrical; D005260:Female; D005331:Fetomaternal Transfusion / Q000209:etiology; D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000209:etiology*; D011247:Pregnancy