This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: obstetrics,pediatrics and geriatrics, Subject name: Social & Preventive Medicine
[{'content': 'Infant moality does not include - \nSelect and explain. \nA. Early neonatal moality, B. Perinatal moality, C. Post neonatal moality, D. Late neonatal moality', 'role': 'user'}, {'content': "Answer: B \nExplanation: Perinatal is From 28 week of gestation to one week after bih. REF. PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICAL 21ST EDITION. PAGE NO - 518", 'role': 'assistant'}]