This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Growth, Development, and Behavior, Subject name: Pediatrics
[{'content': "A short stature child's growth variation is normal but bone development is not according to chronological age. What is your diagnosis? \nSelect and explain. \nA. Genetic short stature, B. Dwarfism, C. Constitutional delay, D. Growth hormone deficiency", 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C. Constitutional delayShort stature children with normal growth variation include genetic (familial) short stature and constitutional delay. In genetic short stature bone development matches with the chronological age but not in constitutional delay in which bone development lags behind.', 'role': 'assistant'}]