Insurance-Related Disparities Seen in Prenatal Diagnosis of Congenital Heart Disease

Second trimester ultrasound receipt mediated 39 percent of the association between public insurance, prenatal diagnosis
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Medically Reviewed By:
Mark Arredondo, M.D.
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TUESDAY, Oct. 8, 2024 (HealthDay News) -- Second-trimester ultrasound receipt mediates a considerable portion of the association between public insurance and prenatal diagnosis of congenital heart disease (CHD), according to a study published online Sept. 23 in Prenatal Diagnosis.

Joyce L. Woo, M.D., from the Northwestern University Feinberg School of Medicine in Chicago, and colleagues conducted a retrospective analysis of electronic health records of pregnant women whose infants received CHD surgery between 2019 and 2020 to examine the mechanism underlying insurance-related disparities in prenatal diagnosis of CHD.

A total of 496 pregnant women met the inclusion criteria: 43.3 percent were publicly insured and 61.5 percent had prenatal diagnosis. Public insurance was associated with a 12.6 percent lower probability of prenatal diagnosis in bivariate regressions. Public insurance was associated with a 13.2 percent lower probability of second-trimester ultrasound receipt in multivariable models, but was no longer associated with prenatal diagnosis after adjustment for second-trimester ultrasound receipt. Second-trimester ultrasound receipt mediated 39 percent of the association between public insurance and prenatal diagnosis in a mediation analysis.

"Understanding the reasons behind insurance-related disparities in getting prenatal diagnosis -- such as getting the second-trimester ultrasound -- allows for the development of policies and programs that could lessen these disparities," Woo said in a statement.

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