Infant mortality rate is
o IMR is defined as the number of death of child of less than 1 years of age per 1000 live births. It is a rate.
IMR
Death of infants per 1000 pregnent women
Death of infants per 1000 births
Death of infants per 1000 live births
Death of infants per 1000 population
Death of infants per 1000 live births