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Quick Facts: Perinatal Overview

PeriStats compiles maternal and infant health data from multiple sources. These data are often referred to as perinatal data. The term "perinatal" can be used in a generic or a very specific way. It means around (peri-) the time of birth (-natal), so it can be used to refer to the entire or parts of the period around conception and through the first year of life.

In an average week in San Francisco:


• 169 babies are born.
 
• 15 babies are born preterm.
 
• 12 babies are born low birthweight.
 
• 1 baby dies before reaching their first birthday.
 
• In San Francisco in 2010, 95.7% of all live births were singleton births and 4.3% were multiple births.
 
• Every 4 1/2 minutes a baby is born with a birth defect in the United States.
 
• During 2006-2008 (average), birth defects accounted for about 1 in 5 infant deaths in San Francisco.
 
• In San Francisco in 2010, 27.0% of live births were cesarean deliveries and 73.0% were vaginal deliveries.
 
• In 2010, about 1 in 45 infants (2.2% of live births) was born to a woman receiving late or no prenatal care in San Francisco.
 
• In 2005, the annual societal economic cost (medical, educational, and lost productivity) associated with preterm birth in the United States was at least $26.2 billion.
 
• In the United States, screening for the 31 core newborn screening conditions is not universally required by rule or law and fully implemented in any state.
 
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Footnotes

  • Late/No prenatal care is pregnancy-related care beginning in the 3rd trimester (7-9 months) or when no pregnancy-related care was received at all.
  • Low birthweight is less than 2500 grams (5 1/2 pounds).
  • Preterm is less than 37 completed weeks gestation.

Source

  • National Center for Health Statistics, final natality data.
  • National Center for Health Statistics, period linked birth/infant death data.
  • Annual number of birth defects based on estimates from the Centers for Disease Control and Prevention.
  • National Newborn Screening and Genetics Resource Center.
  • Institute of Medicine. 2007. Preterm Birth: Causes, Consequences, and Prevention. National Academy Press, Washington, D.C. Published and unpublished analyses.
  • Retrieved June 19, 2013, from www.marchofdimes.com/peristats.