This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Demography, Subject name: Social & Preventive Medicine
[{'content': 'Total live birth / women in reproductive age is - \nSelect and explain. \nA. General fertality rate, B. Birth rate, C. General marital fertality rate, D. None', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., General fertality rate Birth rate =Number of live birth during the yr.------------------------------Estimated mid yr. PopulationX 1000 GFR =Number of live births in an area------------------------------Mid year female population age 15-44 (or 49) in the same area in same yearx 1000 GMFR =No. of live births in a year------------------------------Mid year married female population in the age group 15-49 yearx 1000", 'role': 'assistant'}]