This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Ophthalmology
[{'content': 'While working in a neonatal ICU. Your team delivers a preamature infant at 27 weeks of gestation and weighing 1500gm. How soon will you request fundus examination by an ophthalmologist? \nSelect and explain. \nA. Immediately, B. 3 – 4 weeks after delivery, C. At 34 weeks gestational age, D. At 40 weeks gestational age', 'role': 'user'}, {'content': 'Answer: C \nExplanation: All babies weighing less than 1.5 kg at birth or having a gestation period of less than 32 weeks should be screened with indirect ophthalmoscopy for retinopathy of prenaturity, between 32 and 36 weeks post conception.', 'role': 'assistant'}]