Yale University Jul 18 2025 Hypertensive disorders in pregnancy (HDP) - like chronic or gestational hypertension, preeclampsia, and eclampsia - are among the leading causes of maternal and infant death in the United States.  Between 2017 to 2019, 16% of all U.S. pregnancies were complicated by an HDP diagnosis , with much higher rates seen among non-Hispanic Black/African American and American Indian/Alaskan Native women. But HDPs don't just affect women in the short term; these disorders can