United States

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Location: United States
Topic: Preterm among multiple deliveries
Format: Bar Graph
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Preterm among multiple deliveries: United States, 2003-2013

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• The preterm birth rate among multiple deliveries in the United States was 57.8% in 2013. 
• Between 2003 and 2013, multiple births in the United States increased 6%, from 3.3% to 3.5% of live births. 


  • Preterm is less than 37 completed weeks gestation.
  • Multiple deliveries include twin, triplet and higher order deliveries.


  • National Center for Health Statistics, final natality data.
  • Retrieved May 25, 2016, from www.marchofdimes.org/peristats.