infant mortality

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infant mortality

the statistical rate of infant death during the first year after live birth, expressed as the number of such deaths per 1000 live births in a specific geographic area or institution in a given period. Neonatal mortality (death within 28 days of birth) accounts for 70% of infant mortality.

infant mortality

Epidemiology Death of a child < age 1 Etiology Congenital defects, short gestation, low birth weight, pneumonia, influenza, neonatal infections, complications of placenta, cord, membranes, intrauterine hypoxia, birth asphyxia, respiratory distress syndrome, accidents, SIDS. See Infant mortality rate. Cf Postneonatal mortality.

infant mortality

The number of deaths of children younger than 1 year of age per 1000 live births per year.
See also: mortality

infant mortality

The number of infants per 1000 live births who die before reaching the age of 1 year. Infant mortality is a sensitive index of the standards of public health in a society. The rate in Britain was about 150 in 1900. Today, in the best regions, it is as low as 8.