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. 2024 Jan;116(1):e2301.
doi: 10.1002/bdr2.2301.

National population-based estimates for major birth defects, 2016-2020

Erin B Stallings  1 , Jennifer L Isenburg  1 , Rachel E Rutkowski  2   3 , Russell S Kirby  2 , Wendy N Nembhard  4   5 , Theresa Sandidge  6 , Stephan Villavicencio  2 , Hoang H Nguyen  7 , Daria M McMahon  8 , Eirini Nestoridi  9 , Laura J Pabst  1 ; National Birth Defects Prevention Network
Affiliations

National population-based estimates for major birth defects, 2016-2020

Erin B Stallings et al. Birth Defects Res. 2024 Jan.

Abstract

Background: We provide updated crude and adjusted prevalence estimates of major birth defects in the United States for the period 2016-2020.

Methods: Data were collected from 13 US population-based surveillance programs that used active or a combination of active and passive case ascertainment methods to collect all birth outcomes. These data were used to calculate pooled prevalence estimates and national prevalence estimates adjusted for maternal race/ethnicity for all conditions, and maternal age for trisomies and gastroschisis. Prevalence was compared to previously published national estimates from 1999 to 2014.

Results: Adjusted national prevalence estimates per 10,000 live births ranged from 0.63 for common truncus to 18.65 for clubfoot. Temporal changes were observed for several birth defects, including increases in the prevalence of atrioventricular septal defect, tetralogy of Fallot, omphalocele, trisomy 18, and trisomy 21 (Down syndrome) and decreases in the prevalence of anencephaly, common truncus, transposition of the great arteries, and cleft lip with and without cleft palate.

Conclusion: This study provides updated national estimates of selected major birth defects in the United States. These data can be used for continued temporal monitoring of birth defects prevalence. Increases and decreases in prevalence since 1999 observed in this study warrant further investigation.

Keywords: NBDPN; birth defects; congenital anomalies; national; prevalence; surveillance.

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Conflict of interest statement

CONFLICT OF INTEREST STATEMENT

The authors declare no conflicts of interest.

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Supplementary concepts