Transplacental haemorrhage and maternal iso-immunization.
D000017:ABO Blood-Group System; D000917:Antibody Formation; D005260:Female; D005331:Fetomaternal Transfusion / Q000150:complications*; D006801:Humans; D008431:Maternal-Fetal Exchange; D011247:Pregnancy; D012204:Rh-Hr Blood-Group System
D000017:ABO Blood-Group System; D012204:Rh-Hr Blood-Group System