This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Obstetrics, Subject name: Social & Preventive Medicine
Obstetric care will mostly affect: 
Select and explain. 
A. Infant mortality rate, B. Early neonatal mortality rate, C. Late neonatal mortality rate, D. Perinatal mortality rate
D: Perinatal mortality rate
Answer: D: Perinatal mortality rate 
Explanation: Ans. (d) Perinatal mortality rateRef.: K. Park 23rd ed. / 563-64* Perinatal period is from 28th week age of gestation to 7th day of newborn life.* Perinatal mortality rate includes late fetal deaths and early neonatal deaths.* A better obstetric care will be able to diagnose any fetal stress which will result in early intervention, which will certainly help in delivering a healthy baby.* Therefore an obstetric will mostly affect Perinatal mortality rate.