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': 'Pincer grasp occurs first during ___________ \nSelect and explain. \nA. 3-5 months, B. 5-7 months, C. 7-9 months, D. 9-10 months', 'role': 'user'}, {'content': 'Answer: D \nExplanation: 9-10 months- immature pincer grasp; babies use all of their fingers and their thumb to pick up objects; probes with forefinger. 12 months - mature pincer grasp; babies use index finger and thumb to pick up objects. Reference : page 49 Ghai Essential Pediatrics 8th edition', 'role': 'assistant'}]