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: Pathology
[{'content': 'MMR is expressed in \nSelect and explain. \nA. Per 1,000 live bih, B. Per 10,000 live bih, C. Per Lac live bih, D. Per 10 Lac live Bih', 'role': 'user'}, {'content': "Answer: C \nExplanation: Maternal moality ratio(Total no of female deaths due to complications of pregnancy, childbih or within 42 days of delivery from puerperal causes in an area during a given year / Total no of live bihs in the same area and year) x 1000Maternal moality ratio: Number of maternal deaths during a given time period per 100,000 live bihs during the same time period (Refer: K. Park's Textbook of Preventive and Social Medicine, 24th edition, pg no: 593 )", 'role': 'assistant'}]