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. 2021 Jan 15;113(2):152-160.
doi: 10.1002/bdr2.1843. Epub 2020 Nov 23.

Maternal diabetes-related malformations in Utah: A population study of birth prevalence 2001-2016

Matthew M Orbain  1 , Jane Johnson  1 , Amy Nance  1 , Alfred N Romeo  2 , Michelle A Silver  3 , Lynn Martinez  2 , Marsha Leen-Mitchell  2   4 , John C Carey  1   2   4
Affiliations

Maternal diabetes-related malformations in Utah: A population study of birth prevalence 2001-2016

Matthew M Orbain et al. Birth Defects Res. .

Abstract

Maternal pregestational diabetes mellitus is associated with an increased risk for congenital malformations of about 2-4 times the background risk. Notably, the types and patterns of congenital malformations associated with maternal diabetes are nonrandom, with a well-established increased risk for specific classes of malformations, especially of the heart, central nervous system, and skeleton. While the increased risk in clinical and epidemiological studies is well documented in the literature, a precise estimate of overall birth prevalence of these specific congenital malformations among women with maternal pregestational diabetes, is lacking. The purpose of this study was to determine total prevalence of structural malformations associated with maternal pregestational diabetes mellitus in a population-based study. We identified infants with specific birth defects whose mother had pregestational diabetes mellitus in the Utah Birth Defect Network (UBDN), an active birth defects surveillance program that registers the occurrence of selected structural defects in the state of Utah. We defined specific maternal diabetes-related malformations based on epidemiologic and clinical studies in the literature. Of the 825,138 recorded Utah births between 2001 and 2016, a total of 91 cases were identified as likely having diabetic embryopathy within UBDN data. The prevalence of diabetes-related congenital malformation cases was calculated per year; the overall prevalence of diabetes-related malformations 2001-2016 was 1.1 per 10,000 births in Utah (95% CI, 0.9-1.3). Knowledge of the overall prevalence of diabetes-related malformations is important in predicting the number of cases that are potentially prevented with the implementation of programs to foster preconceptional management of maternal pregestational diabetes.

Keywords: birth defect prevention; birth defects; birth prevalence; caudal dysgenesis; congenital malformations; pregestational maternal diabetes mellitus.

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References

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