Which of the following blood group systems is associated with an increased risk of hemolytic disease of the newborn due to anti-K1 antibodies?

A Kell blood group system ✓
B Duffy blood group system
C MNS blood group system
D P blood group system

Explanation

The Kell blood group system is associated with an increased risk of hemolytic disease of the newborn due to anti-K1 antibodies.

Source

ISBT Guidelines for Hemolytic Disease of the Newborn
Hematology Hematology: Blood Grouping and Crossmatching Hematology: Blood Grouping and Crossmatching Medium MEDICAL Confidence: high