San Francisco
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Location: San Francisco
Topic: Low birthweight among multiple deliveries
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Low birthweight among multiple deliveries: San Francisco, 2003-2013

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• The low birthweight rate among multiple deliveries in San Francisco was 53.8% in 2013. 
• Between 2003 and 2013, multiple births in San Francisco increased nearly 3%, from 3.8% to 3.9% of live births. 


  • Low birthweight is less than 2500 grams (5 1/2 pounds).
  • Multiple deliveries include twin, triplet and higher order deliveries.


  • National Center for Health Statistics, final natality data.
  • Retrieved October 07, 2015, from