Review Article

Birth Defects Surveillance in the United States: Challenges and Implications of International Classification of Diseases, Tenth Revision, Clinical Modification Implementation

Table 2

Down syndrome prevalence from population-based surveillance programs by pregnancy outcome, United States 2006–2010 [16].

Pregnancy outcomePrevalence per 10,000 births

Live births ()6.9–15.6
Live births and stillbirths ()8.8–17.0
All pregnancy outcomes ()10.2–20.6