A Prematurity.

[Feedback :- Jaundice of prematurity normally presents after 24 hours of age.]

B Haemolysis.

This is the Correct Answer

[Feedback :- Haemolytic jaundice is the most important cause of jaundice presenting on the first day of life and needs to be excluded.]

C Breastfeeding.

[Feedback :- Limited volumes of breast milk are obtained in the first 24 hours of life and breast feeding does not cause jaundice during this time.]

D Physiological jaundice.

[Feedback :- Physiological jaundice normally presents after 24 hours of age.]

E Early-onset sepsis.

[Feedback :- While this can cause jaundice, the most common cause of jaundice presenting in the first 24 hours is haemolysis.]