This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Demography and family planning, Subject name: Social & Preventive Medicine
[{'content': 'Which of the following indicators involve reproductive woman - \nSelect and explain. \nA. Bih Rate, B. G.F.R, C. T.F.R, D. Maternal moality rate', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ref: Park 25th edition Pgno : 540', 'role': 'assistant'}]