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: Social & Preventive Medicine
[{'content': 'Quality indicator of MCH services – \nSelect and explain. \nA. IMR, B. MMR, C. CMR, D. None', 'role': 'user'}, {'content': 'Answer: A \nExplanation: IMR is best indicator for:-\n\n\nHealth status of a community.\nLevel of living.\nEffectiveness of MCH services.\n\n\nIMR is second best indicator of socioeconomic status of country (under 5 mortality rate is more refined indicator for socioeconomic status).', 'role': 'assistant'}]