March of Dimes March of Dimes Peristats

Maternal & Infant Health Research Registries

During the pandemic, tracking health outcomes is essential to improving care, developing policies and understanding the impact of this pandemic on maternal and infant health. Learn more about global research and registries that are tracking the data to ensure the health of mothers and babies.

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COVID-19 Resources & Literature

A resource compiling up-to-date published literature on COVID-19 relating to mothers and babies. We have gathered scientifically sound research to help guide further studies or keep you up to date with the maternal child health population and COVID-19.

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United States


Find maternal and infant health data on a state level, or by county or city. Narrow your results or compare with another region.
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Location: United States
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Topic: Preterm
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Format: US Map - View Table
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Preterm: United States, 2018

Percent of live births
RegionPercent
Alabama12.5
Alaska9.3
Arizona9.5
Arkansas11.6
California8.8
Colorado9.2
Connecticut9.4
Delaware9.6
District of Columbia10.1
Florida10.3
Georgia11.5
Hawaii10.3
Idaho9.0
Illinois10.7
Indiana10.2
Iowa9.9
Kansas9.5
Kentucky11.3
Louisiana13.0
Maine8.6
Maryland10.2
Massachusetts8.9
Michigan10.0
Minnesota8.9
Mississippi14.2
Missouri10.7
Montana9.1
Nebraska10.5
Nevada10.1
New Hampshire8.3
New Jersey9.5
New Mexico9.8
New York9.0
North Carolina10.4
North Dakota9.6
Ohio10.3
Oklahoma11.4
Oregon7.8
Pennsylvania9.5
Rhode Island9.0
South Carolina11.3
South Dakota9.4
Tennessee11.1
Texas10.8
United States10.0
Utah9.4
Vermont8.5
Virginia9.4
Washington8.3
West Virginia11.8
Wisconsin9.9
Wyoming9.8
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March of Dimes 2020 Goal

  • For more information, see here.
  • Preterm births: reduce to no more than 8.1% of live births.

Healthy people 2020

  • Preterm births: reduce to no more than 11.4% of live births.

Footnotes

  • Preterm is less than 37 weeks of pregnancy.

Source

  • National Center for Health Statistics, final natality data.
  • Retrieved September 21, 2020, from www.marchofdimes.org/peristats.