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
The magnitude of completed family size can be obtained from 
Select and explain. 
A. Pregnancy rate, B. General marital feility rate, C. Gross reproductive rate, D. Total feility rate
D: Total feility rate
Answer: D: Total feility rate 
Explanation: Total feility rate represents the average number of children a woman would have if she were to pass through her reproductive years bearing children at the same rate as the women now in each age group.This measure gives an approximate magnitude of &;completed family size&;(Ref:- Park. 23rd ed. Page no 489)