title: Natural isohemagglutinin production by the fetus.
mesh_terms: D000328:Adult; D000917:Antibody Formation; D000941:Antigens / Q000097:blood; D001789:Blood Group Antigens; D002675:Child, Preschool; D002845:Chromatography; D005260:Female; D005333:Fetus; D006386:Hemagglutination Tests; D006801:Humans; D005779:Immunodiffusion; D007122:Immunoelectrophoresis; D007074:Immunoglobulin G / Q000032:analysis; D007075:Immunoglobulin M / Q000032:analysis; D007223:Infant; D007231:Infant, Newborn; D007518:Isoantibodies; D008297:Male; D008623:Mercaptoethanol / Q000494:pharmacology; D011247:Pregnancy
chemical_list: D000941:Antigens; D001789:Blood Group Antigens; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D007518:Isoantibodies; D008623:Mercaptoethanol