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
Denominator in general feility rate is 
Select and explain. 
A. All women between 15-45 years of age, B. All married women between 15-45 years of age, C. Total number of live bihs, D. Total number of all bihs
A: All women between 15-45 years of age
Answer: A: All women between 15-45 years of age 
Explanation: General Feility Rate This measure addresses the crude nature of the Crude Bih Rate by focusing on that section of the population at risk of having bihs - Women aged 15-45years Reference : Park&;s textbook of preventive and social medicine, 23rd edition