Presence of maternal anti-SS-A antibody.
D000941:Antigens / Q000276:immunology*; D001324:Autoantigens / Q000276:immunology*; D005260:Female; D006327:Heart Block / Q000276:immunology*; D006801:Humans; D007231:Infant, Newborn; D011247:Pregnancy; D020733:RNA, Small Cytoplasmic; D012261:Ribonucleoproteins; D000099207:SS-A Antigen
D000941:Antigens; D001324:Autoantigens; D020733:RNA, Small Cytoplasmic; D012261:Ribonucleoproteins; D000099207:SS-A Antigen; C116006:RO60 protein, human