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Normal weight at term delivery is 2,500–4,200 g (5 lb 8 oz – 9 lb 4 oz). [citation needed] SGA is not a synonym of low birth weight, very low birth weight, or extremely low birth weight. For example, with a 35-week gestational age delivery, a weight of 2,250 g (4 lb 15 oz) is appropriate for gestational age but is still low birth weight.
On average, 8.52% of U.S. newborns have a low birth weight, or weigh under 5.5 pounds at birth. Because a low-birth-weight newborn is "not as strong as a baby of normal birth weight," low-birth ...
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 care unit (NICU ...
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]
English: Age-standardised disability-adjusted life year (DALY) rates from Prematurity and low birth weight by country (per 100,000 inhabitants).
The U.S. birth rate has been steadily declining for years, but fairly recently it has tipped over into an alarming category. The estimated “replacement fertility rate,” or the number of births ...
Adequate nutrition is needed for a healthy fetus. Mothers who gain less than 20 pounds during pregnancy are at increased risk for having a preterm or low birth weight infant. [51] Iron and iodine are especially important during prenatal development. Mothers who are deficient in iron are at risk for having a preterm or low birth weight infant. [52]
Growth deficiency or failure to thrive: slow fetal growth low birth weight or height, small head circumference (microcephaly) [14] [a] Congenital malformations of lips: short palpebral fissure lengths, smooth philtrum, and thin upper lip. [15] [b] Nervous system damage: Clinically significant structural neurological, or functional impairment [c]