Preeclampsia with severe features: Preeclampsia with persistent (2 episodes within 4 hours) systolic and / or diastolic BP ≥ 160/≥ 110 mm Hg and / or other signs of end-organ damage HELLP syndrome: A form of severe preeclampsia with hemolysis, elevated liver enzymes, and low platelet count Chronic hypertension plus superimposed preeclampsia: New or worsening proteinuria or other signs of end-organ damage after 20 weeks in a woman with preexisting hypertension Eclampsia: New-onset tonic-clonic, focal, or multifocal seizures not accounted for by other causes Chronic hypertension increases risk of the following: Fetal growth restriction (by decreasing uteroplacental blood flow) Preeclampsia and eclampsia Adverse fetal and maternal outcomes Before attempting to conceive, women with hypertension should be counseled about the risks of pregnancy.