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Low birth weight. Low birth weight may be a result of preterm birth. Low birth weight (LBW) is defined by the World Health Organization as a birth weight of an infant of 2,499 g (5 lb 8.1 oz) or less, regardless of gestational age. [1] Infants born with LBW have added health risks which require close management, often in a neonatal intensive ...
In 2008 the rate of low birth weight was the highest in babies born to women younger than 15 years old (12.4%). [23] Women aged 40–54 had a rate of low birth weight at 11.8 percent. The lowest rates of low birth weight happened among babies whose mothers were between the ages of 25–29 years (4.4%) and 30–34 years (7.6%). [23]
Infant mortality is the death of an infant before the infant's first birthday. [1] The occurrence of infant mortality in a population can be described by the infant mortality rate (IMR), which is the number of deaths of infants under one year of age per 1,000 live births. [1] Similarly, the child mortality rate, also known as the under-five ...
The rate of low birth weights in the Southeast could be partially due to the region's more significant Black population, whose infants are more likely to have low birth weight. Between 2020 and ...
One third of low-birth-weight neonates – infants weighing less than 2,500 g (5 lb 8 oz) – are small for gestational age. [citation needed] There is an 8.1% incidence of low birth weight in developed countries, and 6–30% in developing countries. Much of this can be attributed to the health of the mother during pregnancy. One third of ...
Intrauterine growth restriction (IUGR), or fetal growth restriction, is the poor growth of a fetus while in the womb during pregnancy. IUGR is defined by clinical features of malnutrition and evidence of reduced growth regardless of an infant's birth weight percentile. [5] The causes of IUGR are broad and may involve maternal, fetal, or ...
As weight is easier to determine than gestational age, the World Health Organization tracks rates of low birth weight (< 2,500 grams), which occurred in 16.5% of births in less developed regions in 2000. [205] It is estimated that one third of these low birth weight deliveries are due to preterm delivery.
Child mortality refers to number of child deaths under the age of 5 per 1,000 live births. More specific terms include: Perinatal mortality rate: Number of child deaths within the first week of birth divided by total number of births. [9] Neonatal mortality rate: Number of child deaths within the first 28 days of life divided by total number of ...