By Age: Birth and Newborn
A newborn baby is called a "neonate" for the first 28 days of life. This first month is a relatively high risk period for babies.
Death rates: The overall infant (<1 year) death rate is 0.706% or 1-in-141. This rate is higher in the first 28 days and reduces to 0.188% or 1-in-531 after the neonatal period.
Top Ten Causes of Death:
For neonatal infants aged less than 28 days, the top ten causes of death in USA 1999 were:
- disorders related to prematurity and low birth weight (23.1%),
- congenital defects including chromosome conditions (20.8%),
- maternal pregnancy complications affecting newborn (7.4%),
- respiratory distress syndrome of newborn (5.6%),
- complications of placenta affecting newborn (5.4%),
- bacterial sepsis of newborn (3.5%),
- atelectasis (3.4%),
- in-uterus hypoxia and birth asphyxia (3.1%),
- neonatal hemorrhage (2.6%),
- necrotizing enterocolitis of newborn (1.9%) and
- other causes (23.2%) [CDC NVSR 2001].
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