title: Assay of prenatal Rh antibodies to determine the need for amniotic fluid studies.
mesh_terms: D000653:Amniotic Fluid / Q000032:analysis; D001322:Autoanalysis; D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis; D006386:Hemagglutination Tests / Q000295:instrumentation*; D006801:Humans; D011247:Pregnancy; D011295:Prenatal Care; D012204:Rh-Hr Blood-Group System
chemical_list: D012204:Rh-Hr Blood-Group System