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': 'Neonatal moality is calculated as - \nSelect and explain. \nA. Number of deaths of children <28 days per 1000 live bih, B. Number of deaths of children <28 days per 1000 still bih, C. Number of deaths of children <28 days per 1000 total bih, D. None', 'role': 'user'}, {'content': "Answer: A \nExplanation: Neonatal moality rate is number of deaths of children <28 days per 1000 live bih. REF. PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICAL 21ST EDITION. PAGE NO - 521", 'role': 'assistant'}]