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1.5% – 16.3%
The share of births that are low birthweight.
Low birthweight defined as weighing less than 2.5kg. Excludes metro areas with less than 100 births to mothers in the specified subgroup over the specified time period. Excludes plural births and births which occurred abroad, in Puerto Rico, or in U.S. Territories. Metro area refers to the location of residence of the mother at the time of the birth.
National Center for Health Statistics' Vital Statistics Natality Birth Data. Metro area level data aggregated from county level data obtained from NCHS by special request.
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