This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pediatrics, Subject name: Social & Preventive Medicine
Denominator of infant mortality rate is? 
Select and explain. 
A. Per live birth, B. per 100 live births, C. Per 1000 live births, D. Per lakh live births
C: Per 1000 live births
Answer: C: Per 1000 live births 
Explanation: Ans. (c) Per 1000 live birthsRef: Park 20thed./488