March of Dimes March of Dimes Peristats
news:   

United States


Find maternal and infant health data on a state level, or by county or city. Narrow your results or compare with another region.
Search User Control
Location: Please select
edit
close
Topic: Please select
edit
close
Format: Please select
edit
close
    
slides (0)

Late preterm by maternal age: United States, 2008-2010 Average

Chart with no titled
Email to a friend We will never share or sell your email.
You can send to a max of 5 people.
Separate addresses with commas.
Privacy policy
 
Compare with: 

Change years:        

• Maternal age is a risk factor for preterm birth, with higher preterm birth rates found among the youngest and oldest mothers in the U.S. 
• During 2008-2010 (average) in the United States, late preterm birth rates were highest for women ages 40 and older (11.8%), followed by women under age 20 (9.3%), ages 30-39 (8.8%) and ages 20-29 (8.2%). 
• Of all infants born during 2008-2010 (average), 9.9% were to mothers under the age of 20, 52.6% were to mothers ages 20-29 years, 34.8% were to mothers ages 30-39 years, and 2.8% were to mothers ages 40 and older. 

Footnotes

  • Late preterm is between 34 and 36 weeks gestation.

Source

  • National Center for Health Statistics, final natality data.
  • Retrieved May 22, 2013, from www.marchofdimes.com/peristats.