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 San Diego city in 2013, 96.3% of all live births were singleton births and 3.7% were multiple births.|
| ||Between 2003 and 2013, the multiple birth ratio in San Diego city increased 20%.|
| ||Compared with singleton births (one baby), multiple births in San Diego city were about 8 times as likely to be preterm in 2013.|
| ||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.|
National Center for Health Statistics, final natality data.
Retrieved August 30, 2016, from www.marchofdimes.org/peristats.