This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: New born infants, Subject name: Pediatrics
Neonatal Jaundice first time appears in the 2nd week not a cause is __________ 
Select and explain. 
A. Galactosemia, B. Rh incompatibility, C. Hypothyroidism, D. Breast milk jaundice
B: Rh incompatibility
Answer: B: Rh incompatibility 
Explanation: This causes an infant to become yellow (jaundiced). The level of bilirubin in the infant&;s blood may range from mild to dangerously high. Rh incompatibility develops only when the mother is Rh-negative and the infant is Rh-positive. This problem has become less common in places that provide good prenatal care. Reference: GHAI Essential pediatrics, 8th edition