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
Denominator in general feility rate is ? 
Select and explain. 
A. All women between 15-45 year age, B. All married women between 15-45 year age, C. Total number of live bihs, D. Total number of all bihs
A: All women between 15-45 year age
Answer: A: All women between 15-45 year age 
Explanation: Ans. is 'a' i.e., All women between 15-45 yr age