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Retrospective cohort finds racial, insurance disparities in cesarean delivery ratesLarge U.S. study finds racial and insurance differences in cesarean delivery rates

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Key Takeaway
Note observational associations between race, insurance, and cesarean delivery rates in U.S. data.

A retrospective cohort study analyzed 41,543,568 singleton live births recorded in United States Vital Statistics Natality files from 2014 to 2024. The study examined associations between race/ethnicity, insurance status, and cesarean delivery. The comparator groups were non-Hispanic White women for race/ethnicity and uninsured women for insurance status.

Overall, 32.0% of deliveries (13,312,221) were cesarean. Non-Hispanic Black women had 22% higher odds of cesarean delivery compared with non-Hispanic White women (odds ratio 1.22; 95% CI, 1.22-1.23). Women with private insurance had 59% higher odds compared with uninsured women (OR 1.59; 95% CI, 1.58-1.60). The analysis found insurance coverage modified racial and ethnic differences, with non-Hispanic Black women having the highest predicted probabilities across all insurance categories and the largest absolute disparities observed among uninsured women.

Safety and tolerability data were not reported. Key limitations were not explicitly detailed in the provided data, but the retrospective, observational design using administrative data is a fundamental constraint. The study cannot establish causation, only association. The findings highlight persistent disparities in obstetric care, but their direct practice relevance is limited by the observational nature and lack of clinical detail on indication for cesarean delivery.

Researchers looked at data from over 41 million single baby births in the United States between 2014 and 2024. They wanted to see if a mother's race, ethnicity, or type of health insurance was linked to how often she had a cesarean delivery (C-section). They found that about 32% of all these births were by C-section.

The study found two main patterns. First, non-Hispanic Black women had about 22% higher odds of having a C-section compared to non-Hispanic White women. Second, women with private insurance had about 59% higher odds of a C-section compared to women with no insurance. The link between race and C-section rates was different depending on a woman's insurance status. The largest gap in C-section rates between racial groups was seen among women who were uninsured.

It is very important to understand what this study can and cannot tell us. This was an observational study, which means it can only show that these factors are linked or associated with C-section rates. It cannot prove that race, ethnicity, or insurance directly cause the differences. Many other factors that were not measured could explain the results. The study did not report on the health reasons for the C-sections or on the safety of the births. This research highlights a pattern that needs more investigation to understand its causes.

What this means for you:
A large study found links between race, insurance, and C-section rates, but more research is needed to understand why.

Study Details

Study typeCohort
EvidenceLevel 3
PublishedApr 2026
View Original Abstract ↓
Introduction Cesarean delivery accounts for nearly one-third of U.S. births and is associated with substantial maternal morbidity and health care costs. Persistent racial disparities have been documented, yet the structural factors contributing to these differences remain incompletely understood. The extent to which insurance coverage shapes racial disparities in cesarean delivery remains unclear. Objective To evaluate the independent and interactive associations of race/ethnicity and insurance coverage with cesarean delivery in the United States. Methods Population-based retrospective cohort study using singleton live births recorded in the United States Vital Statistics Natality files from 2014 to 2024. Multivariable logistic regression was used to estimate the independent effects of race/ethnicity and insurance status on cesarean delivery, including interaction terms to test effect modification, using national birth certificate data. Models were adjusted for maternal demographics, clinical factors, and temporal covariates. Adjusted odds ratios, predicted probabilities, and absolute risk differences were derived from post-estimation marginal effects. The main outcome measure was cesarean delivery (yes vs no). Results Among 41,543,568 deliveries from 2014 to 2024, 13,312,221 (32.0%) were cesarean deliveries. After adjustment, both race and ethnicity and insurance status were independently associated with cesarean delivery. Compared with non-Hispanic White women, non-Hispanic Black women had higher odds of cesarean delivery (odds ratio [OR], 1.22; 95% CI, 1.22-1.23). Relative to uninsured women, those with private insurance had 59% higher odds of cesarean delivery (OR, 1.59; 95% CI, 1.58-1.60). Significant interaction effects were observed, indicating that insurance coverage modified racial and ethnic differences in cesarean delivery. Non-Hispanic Black women had the highest predicted probabilities across all insurance categories, with the largest absolute disparities observed among uninsured women. Conclusion Racial and ethnic differences in cesarean delivery persist in the United States and are modified by insurance coverage, suggesting that coverage-related differences may contribute to inequities in obstetric care.
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