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Impact of stage 1 hypertension before 20 gestational weeks on pregnancy outcomes in twin pregnancies: a retrospective cohort study.
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A new definition of gestational hypertension? New-onset blood pressures of 130 to 139/80 to 89 mm Hg after 20 weeks of gestation.
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The 2017 American College of Cardiology and American Heart Association blood pressure categories in the second half of pregnancy-a systematic review of their association with adverse pregnancy outcomes.
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