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
[{'content': 'Which of the following is a risk factor for ROP: \nSelect and explain. \nA. Baby born at 28 weeks, B. Baby has resp. distress, C. Baby was 2.3 kg, D. Jaundice', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. A. Baby born at 28 weeksPreterm babies are prone to develop ROP. So ophthalmological examination is done in preterm babies at 4-6 weeks after birth to look for ROP. Second important risk factor is hyperoxia. RD and jaundice are not related to ROP', 'role': 'assistant'}]