title: Incidence and magnitude of transplacental fetal hemorrhage in ABO compatible and ABO incompatible pregnancies.
mesh_terms: D000017:ABO Blood-Group System; D005260:Female; D006470:Hemorrhage / Q000276:immunology; D006801:Humans; D008431:Maternal-Fetal Exchange; D011247:Pregnancy; D011250:Pregnancy Complications, Hematologic / Q000276:immunology*
chemical_list: D000017:ABO Blood-Group System