U.S. Department of Health and Human Services, Health Resources and Services Administration

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Preterm Birth Among Infants, by Completed Weeks of Gestation, 2008*

Percent of live births:

  • Total 12.3
  • Less than 32 Weeks 2.0
  • 32 33 Weeks 1.6
  • 34-36 Weeks 8.8

*Preliminary data

Source I.8: Centers for Disease Control and Prevention, National Center for Health Statistics, National Vital Statistics System

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