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': 'Infant body weight is tripled by age of – \nSelect and explain. \nA. 5 months, B. 11 months, C. 2 years, D. 18 months', 'role': 'user'}, {'content': 'Answer: B \nExplanation: The average birth weight of neonates is about 3 Kg.\nDuring first few days after birth, the newborn loses extracellular fluid equivalent to about 10% of the body weight.\nMost full term infants regain their birth weight by the age of 10 days.\nSubsequently, they gain weight at a rate of approximately 25 to 30 gm per day for the first 3 months of life.\nThereafter they gain about 400 gm of weight every month for the remaining part of first year.', 'role': 'assistant'}]