Quick Facts:
Singletons & Multiples
Pregnancy outcomes can vary for singleton and multiple births. Multiple births include twins, triplets and higher order births, and outcomes can vary among these groups as well.
 | In Boston during 2008-2010 (average), 95.5% of all live births were singleton births and 4.5% were multiple births.
| | | Between 2000 and 20082010, the multiple birth ratio in Boston increased more than 26%.
| | | Compared with singleton births (one baby), multiple births in Boston were about 7 times as likely to be preterm during 2008-2010 (average).
| | | For more detailed data, click on the topic edit button in search tool on left side, select one of the Subtopics from drop down list under this topic. Here you'll find more graphs, maps, and tables that pertain to this topic.
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Source
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National Center for Health Statistics, final natality data.
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Retrieved June 19, 2013, from www.marchofdimes.com/peristats.
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