Who Is Affected by Down Syndrome

Browse By All Topics

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Who Is Affected by Down Syndrome

Down syndrome occurs in all cultures, ethnic groups, socioeconomic levels, and geographic locations.

  • About 1 out of 733 babies born in the U.S. has Down syndrome.2
  • The risk of a 20-year-old woman having a baby with trisomy 21-type Down syndrome is 1 in about 2,000. By age 45, a woman's risk for having a child with this type of Down syndrome is 1 in 20.1

Citations

  1. Roizen NJ (2007). Down syndrome. In ML Batshaw et al., eds., Children with Disabilities, 6th ed., pp. 263–273. Baltimore: Paul H. Brooks Publishing.
  2. Smith RP (2008). Down syndrome. In Netter's Obstetrics and Gynecology, 2nd ed., pp. 410–412. Philadelphia: Saunders Elsevier.
ByHealthwise Staff
Primary Medical ReviewerSusan C. Kim, MD - Pediatrics
Specialist Medical ReviewerLouis Pellegrino, MD - Developmental Pediatrics
Last RevisedJuly 20, 2011



This information does not replace the advice of a doctor. Healthwise, Incorporated disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use.

How this information was developed to help you make better health decisions.





© 1995-2012 Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.