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': 'Denominator in maternal mortality rate (MMR) is \nSelect and explain. \nA. Total no of females in Reproductive age group, B. Total population, C. No. of live Births, D. Total no of pregnant women', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]