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
General fertility rate - 
Select and explain. 
A. Indicator of complete family size, B. Measure of fertility, C. Not bether than crude birth rate, D. All
B: Measure of fertility
Answer: B: Measure of fertility 
Explanation: GFR is a better measure of fertility than the crude birth rate.
Completed family size is indicated by total fertility rate (not GFR).