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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
Topic: Preterm
Format: Bar Graph - View Table
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Preterm: US, 2009-2019

Percent of live births
2009 10.1 414,955
2010 10.0 398,221
2011 9.8 386,855
2012 9.8 385,082
2013 9.6 377,655
2014 9.6 381,321
2015 9.6 382,786
2016 9.8 388,218
2017 9.9 382,726
2018 10.0 379,777
2019 10.2 383,061
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Healthy people 2030

  • Preterm births: reduce to no more than 9.4% of live births.


  • Preterm is less than 37 weeks of pregnancy.


  • National Center for Health Statistics, final natality data.
  • Retrieved April 22, 2021, from