Infant mortality rate is -

Ans. is 'c' i.e., Death of infants per 1000 live births 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 =No. of death of less than 1 year age------------------------------No of live birthx 1000o The most common cause of infant mortality is prematurity and low birth weight (51 %) followed by (in decreasing order) acute respiratory infection (17%), congenital malformations (5%), diarrheal diseases (4%), birth injuries (3%), and cord infection(2%).