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Migraineurs have excess risk for hypertensive disorders of pregnancy. In a prospective study, researchers assessed blood pressure (BP) by trimester and its effect on risk for gestational hypertension and preeclampsia in 3373 women who sought prenatal care at two clinics in Washington state.
About 17% of participants self-reported histories of physician-diagnosed migraines, and migraineurs were more likely to be obese than were nonmigraineurs (11% vs. 7%; P=0.021). Mean systolic BPs were modestly higher during all trimesters in migraineurs than in nonmigraineurs; mean diastolic BPs were slightly higher during the first and third trimesters. Overall, 7% of participants received diagnoses of either gestational hypertension or preeclampsia, but …