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Maternal Outcomes by Race in Women Aged ≥40 Years

Obstet Gynecol; ePub 2018 Jul 10; Booker, et al

Black women aged ≥40 years are at increased relative risk for severe maternal morbidity and are at even higher risk for mortality, a recent study found. The retrospective cohort study used the Nationwide Inpatient Sample for the years 1998-2014. Women aged 40-54 years were included. Race and ethnicity were categorized as non-Hispanic white, non-Hispanic black, Hispanic, Asian, or Pacific Islander, Native American, other, or unknown. Among the findings:

  • A total of 1,724,694 deliveries were included in the analysis.
  • Severe maternal morbidity increased over the study period from 1.6% in 1998-2000 to 3.0% from 2013 to 2014.
  • Black women had the highest rates of severe morbidity at both the beginning and end of the study.
  • Pregnancy complications including preeclampsia, cesarean delivery, and gestational diabetes were more common at the end compared with the beginning of the study for black, white, and Hispanic women.
  • The adjusted risk ratio for overall severe morbidity for black women (RR 4.71) and Hispanic women had more than twice the risk of death (RR 2.13) as white women.

Citation:

Booker WA, Gyamfi-Bannerman C, Sheen J-J, et al. Maternal outcomes by race for women aged 40 years or older. [Published online ahead of print July 10, 2018]. Obstet Gynecol. doi:10.1097/AOG.0000000000002751.

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