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
Most common causes of perinatal moality ? 
Select and explain. 
A. Bih injury, B. Intra uterine infection, C. Bih asphyxia, D. LBW
C: Bih asphyxia
Answer: C: Bih asphyxia 
Explanation: Ans. is 'c' i.e., Bih asphyxia