Birthweight and Gestation
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Data are for the U.S.
- Number of babies born low birthweight (less than 2500 grams): 321,839
- Percent born low birthweight: 8.17%
- Percent born very low birthweight: 1.40%
- Number of preterm births: 388,218
- Percent born preterm: 9.85%
Source: Births: Final Data for 2016, tables 13, I-19, I-21 [PDF – 1.1 MB]
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- Page last reviewed: March 31, 2017
- Page last updated: March 31, 2017
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