This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pediatrics
[{'content': 'An asymptomatic infant with a history of TB exposure, is 3 months old and had taken 3 months of chemoprophylaxis, what is to be done next? \nSelect and explain. \nA. Test sputum and then descide, B. Continue for 3months, C. Tuberculin test then descide, D. Immunise with BCG and stop prophylaxis', 'role': 'user'}, {'content': "Answer: B \nExplanation: A child born to mother who was diagnosed to have TB pregnancy should receive prophylaxis for 6 months, provided congenital TB has been ruled out. BCG vaccination can be delayed even if INH chemoprophylaxis is planned.(Refer: Nelson's Textbook of Pediatrics, SAE, 1st edition, pg no. 1457 - 1459)", 'role': 'assistant'}]