Section 4.9
Hemolytic Disease of the Newborn (HDN)

SITUATION: An O-negative mother gave birth to a B-positive infant. The mother had no history of antibodies or transfusion. This was her first child. The baby was mildly jaundiced and the DAT weakly positive with polyspecific antisera. What could have caused the positive DAT?

Anti-D from the mother coating the infant red cells An alloantibody, such as anti-K, coating the infant red cells Maternal anti-B coating the infant cells Maternal anti-A, B coating the infant cells Blood bank/Correlate clinical and laboratory data/ Hemolytic disease of the newborn/3

Section 4.9Hemolytic Disease of the Newborn (HDN)

SITUATION: An O-negative mother gave birth to a B-positive infant. The mother had no history of antibodies or transfusion. This was her first child. The baby was mildly jaundiced and the DAT weakly positive with polyspecific antisera. What could have caused the positive DAT?

Section 4.9
Hemolytic Disease of the Newborn (HDN)