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. 2025 Feb;82(2):206-215.
doi: 10.1161/HYPERTENSIONAHA.124.23772. Epub 2025 Jan 9.

Racism and Postpartum Blood Pressure in a Multiethnic Prospective Cohort

Teresa Janevic  1 , Frances M Howell  1 , Micki Burdick  2 , Sarah Nowlin  3   4 , Sheela Maru  5   6 , Natalie Boychuk  1 , Oluwadamilola Oshewa  2 , Maria Monterroso  2 , Katharine McCarthy  3 , Daniel A Gundersen  7 , Alva Rodriguez  5 , Cecilia Katzenstein  8 , Regina Longley  8 , Kellee White Whilby  9 , Alison Lee  10 , Camila Cabrera  6 , Jennifer Lewey  11 , Elizabeth A Howell  2 , Lisa D Levine  2
Affiliations

Racism and Postpartum Blood Pressure in a Multiethnic Prospective Cohort

Teresa Janevic et al. Hypertension. 2025 Feb.

Abstract

Background: Postpartum hypertension is a key factor in racial-ethnic inequities in maternal mortality. Emerging evidence suggests that experiences of racism, both structural and interpersonal, may contribute to disparities. We examined associations between gendered racial microaggressions (GRMs) during obstetric care with postpartum blood pressure (BP).

Methods: We conducted a prospective postpartum cohort of 373 Asian, Black, and Hispanic people in New York City and Philadelphia. At delivery, we administered the GRM in obstetrics scale. We measured BP for 3 months using text-based monitoring. We estimated place-based structural racism with the Structural Racism Effect Index. We used mixed models to estimate associations between GRM and mean postpartum systolic BP and diastolic BP. We adjusted for race-ethnicity, education, body mass index, chronic hypertension (diagnosed at <20 weeks of gestation), age, and the Structural Racism Effect Index. We examined effect modification by hypertensive disorder of pregnancy and place-based structural racism.

Results: A total of 4.6% of participants had chronic hypertension, 20.9% had pregnancy hypertension, and 13.4% had preeclampsia, comprising a hypertensive disorder of pregnancy subgroup (n=117). A total of 37.5% of participants experienced ≥1 GRM. Participants who experienced ≥1 GRM versus none had 1.88 mm Hg higher systolic BP from days 1 to 10 (95% CI, -0.19 to 3.95) and 2.19 mm Hg higher systolic BP from days 11 to 85 (95% CI, 0.17-4.22). Associations followed a similar pattern for diastolic BP and were stronger among the hypertensive disorder of pregnancy subgroup. Participants experiencing GRM and a high Structural Racism Effect Index had systolic BP 7.55 mm Hg (95% CI, 3.41-11.69) and diastolic BP 6.03 mm Hg (95% CI, 2.66-9.41) higher than those with neither.

Conclusions: Structural racism and interpersonal racism are associated with increased postpartum BP, potentially contributing to inequities in postpartum morbidity and mortality and lifecourse cardiovascular disease.

Keywords: blood pressure; hypertension; postpartum period; pregnancy; racism.

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Conflict of interest statement

None.

References

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