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
Complete family size is indicated by - 
Select and explain. 
A. Birth rate, B. Death rate, C. Total fertility rate, D. Age specific fertility rate
C: Total fertility rate
Answer: C: Total fertility rate 
Explanation: Ans. is 'c' i.e., Total fertility rate o Total fertility rate determines the average number of children a woman would have if she were to pass through her reproductive years bearing children at the same rates as the women now in each age group doeso It is computed by summing the age specific fertility rates for all ages. This gives the approximate magnitude of the completed family size. - Park