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: Pediatrics
[{'content': "Persistence of Moro's reflex is abnormal beyond the age of- \nSelect and explain. \nA. 3rd month, B. 4th month, C. 5th month, D. 6th month", 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. is d i.e., 6th month "In normal infant the Moro\'s reflex begins to fade at three months of age and gradually disappears at 4-6 months. When it persists beyond 6 months it indicates delay in CNS development." "Moro\'s reflex disappears by six months in normal infant."', 'role': 'assistant'}]