Key result
U.S. hypertensive disorders of pregnancy rates surged ~74% between 2016 and 2024.
Why the study?
Contemporary trends in hypertensive disorders of pregnancy prevalence by race and ethnicity in the United States were not well characterized.
Cross-Sectional (n=33,363,927)
Yes
Effect estimate: Average annual percent change 7.2%
Absolute Event Rate: 109.1% vs 62.7%
p-value: p=<0.001
Hypertensive disorders of pregnancy have increased significantly across all racial and ethnic groups in the United States from 2016 to 2024, indicating a growing public health and maternal cardiovascular concern.
To evaluate contemporary trends in hypertensive disorders of pregnancy (HDP) prevalence by race and ethnicity, we conducted a cross-sectional study of 33,363,927 U.S. live births from 2016 through 2024 using National Vital Statistics System data. Age-standardized HDP rates increased by 74%, from 62.7 to 109.1 per 1,000 live births (average annual percent change 7.2%; p<0.001), with an inflection point occurring in 2021. This increment occurred across all racial and ethnic groups, with the highest relative increases among non-Hispanic Asian (9.7% annually) and Multiracial individuals (7.9% annually). By 2024, absolute HDP rates were highest among non-Hispanic American Indian or Alaska Native individuals (143.7/1,000) and non-Hispanic Black individuals (132.7/1,000).
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Anguzu et al. (2026) conducted a cross-sectional in Hypertensive disorders of pregnancy (n=33,363,927). Time period (2016-2024) vs. 2016 baseline was evaluated on Age-standardized hypertensive disorders of pregnancy rates (Average annual percent change 7.2%, p=<0.001). The 2016–2024 period showed a 74% increase in U.S. age-standardized hypertensive disorders of pregnancy rates, rising from 62.7 to 109.1 per 1,000 live births (average annual percent change 7.2%; P<0.001).
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