A term baby born to a 30yo woman of blood group A-ve develops severe jaundice within the first 24h of birth

A term baby born to a 30yo woman of blood group A-ve develops severe jaundice within the
first 24h of birth. What is the most likely dx?
a. Hereditary spherocytosis
b. G6PD
c. ABO incompatibility
d. Rh incompatibility
e. Physiological jaundice
Ans. The key is D. Rh incompatibility.