This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Non communicable diseases, Subject name: Social & Preventive Medicine
Calculation of infant moality rate doesn't include - 
Select and explain. 
A. Stillbih, B. Early neonatal deaths, C. Late neonatal deaths, D. Post neonatal deaths
A: Stillbih
Answer: A: Stillbih 
Explanation: infant moality rate is defined as the ratio of infant death registered in a given year to the total no of live bih registered in the same year usually expressed as a rate per 1000 live bih.