<prompt> Denominator for GFR is -Mid year populationFemales 15-44 yearsMarried femaleNone  <response>: Ans. is b i.e., Females 15-44 years 000Perinatal Mortality Rate Foetal deaths weighing over 1000 gms i.e 28 wks gestation or more early neonatal death within 7 days of brth!total no. of live birth x 1000Infant Mortality RateNo. of deaths of infantsno. of live births x 1000Neonatal Mortality Rate no. of deaths of neonateNo. of live births x 1000Under 5 mortality rate or child mortality rate no. of deaths of children less than 5 yrs of age in a given yearIno. of live birthx 10001-4 year mortality rateNo. of deaths of children aged 1 -4 yrs during a year. total no. ofchildren aged 1-4 yrs at the middle of the year x 1000 