Infant mortality

Infant mortality refers to deaths of young children, typically those less than one year of age. It is measured by the infant mortality rate (IMR), which is the number of deaths of children under one year of age per 1000 live births.

The leading causes of infant mortality are birth asphyxia, pneumonia, term birth complications, neonatal infection, diarrhea, malaria, measles and malnutrition. Many factors contribute to infant mortality, such as the mother's level of education, environmental conditions, and political and medical infrastructure. Improving sanitation, access to clean drinking water, immunization against infectious diseases, and other public health measures can help reduce high rates of infant mortality.

Child mortality is the death of a child before the child's fifth birthday, measured as the Under-5 Child Mortality Rate (U5MR). National statistics sometimes group these two mortality rates together. Globally, ten million infants and children die each year before their fifth birthday; 99% of these deaths occur in developing nations.

Infant mortality rate was an indicator used to monitor progress towards the Fourth Goal of the Millennium Development Goals of the United Nations for the year 2015. It is now a target in the Sustainable Development Goals for Goal Number 3 ("Ensure healthy lives and promote well-being for all at all ages").

Infant mortality rate (IMR) is the number of deaths of children less than one year of age per 1000 live births. The rate for a given region is the number of children dying under one year of age, divided by the number of live births during the year, multiplied by 1,000.

Forms of infant mortality:

Environmental and social barriers prevent access to basic medical resources and thus contribute to an increasing infant mortality rate; 99% of infant deaths occur in developing countries, and 86% of these deaths are due to infections, premature births, complications during delivery, and perinatal asphyxia and birth injuries. Greatest percentage reduction of infant mortality occurs in countries that already have low rates of infant mortality. Common causes are preventable with low-cost measures. In the United States, a primary determinant of infant mortality risk is infant birth weight with lower birth weights increasing the risk of infant mortality. The determinants of low birth weight include socio-economic, psychological, behavioral and environmental factors.

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