The birth weight of a newborn is an indicator of chance for survival and long-term development and can also reflect the health status of the birth mother. Normal birth weight is classified as babies born between the 10th and 90th percentiles of all babies of the same gestational age. Low birth weight is a major problem of newborns worldwide. There are three categories of low birth weight: low birth weight (LBW) is less than 2,500 g or about 5.5 lb; very low birth weight (VLBW) is less than 1,500 g; and extremely low birth weight (ELBW) is less than 1,000 g. Low-birth-weight infants are either born small for their gestational age (SGA) or born prematurely. A preterm birth is a gestation of less than 37 weeks and is a major cause of LBW. Small for gestational age births are more common in developing countries.
High birth weight is far less common worldwide but can still have major consequences on the health of both the mother and the in ...
Reference Work Entry Metrics
Date: 2016 (Latest)History
- 2016 (Latest)
- Birth Weight
- Reference Work Title
- Encyclopedia of Behavioral Medicine
- pp 1-2
- Online ISBN
- Springer New York
- Copyright Holder
- Springer Science+Business Media LLC
- Industry Sectors
- eBook Packages
- Editor Affiliations
- 1. University of Miami School of Medicine
- 2. Campbell University School of Pharmacy
- Author Affiliations
- 3. School of Nursing, University of Wisconsin-Madison, 701 Highland Avenue, Madison, WI, 53705, USA
- 4. Allina Health System, St. Paul, MN, USA
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