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': 'A child is below the third percentile for height. His growth velocity is normal, but chronologic age is more than skeletal age. The most likely diagnosis is ? \nSelect and explain. \nA. Constitutional delay in growth, B. Genetic sho stature, C. Primordial dwarfism, D. Hypopituitarism', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Contitutional delay in growth o This child has i) Sho stature (height is less than 3rd percentile) ii) Normal growth velocity, iii) Chronological age > skeletal age o All these are features of Consititutional delay in growth (see previous explanations).", 'role': 'assistant'}]