<prompt> Obstetric care will mostly affect:Infant mortality rateEarly neonatal mortality rateLate neonatal mortality ratePerinatal mortality rate  <response>: 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. 