An O-postive mother gave brith to an A-negative baby. After 24 hours the newborn’s bilirubin level r… Show more An O-postive mother gave brith to an A-negative baby. After 24 hours the newborn’s bilirubin level rose to 18 mg/dL. A DAT preformed on the cord blood specimen was positive with polyspecific AHG and anti-IgG reagents. It is probably that ______ from maternal circulation is coating the newborn’s red cells. The answer is Anti-A,B but I do not know why this is, can someone please explain why this is the correct answer? • Show less