Hypertension in Pregnancy - Differential Diagnosis Algorithm Pre-existing Hypertension - Before Pregnancy OR <20 weeks gestational age - No Proteinuria - Chronic Hypertension • Primary • Secondary - Proteinuria (>0.3g/24hr urine) OR one or more Adverse Conditions • Pre-existing Hypertension with Pre-Eclampsia Gestational Hypertension - Previously normotensive, >20 weeks gestational age • No Proteinuria - Gestational Hypertension • Proteinuria (> 0.3 g/24hr urine) OR one or more Adverse Conditions - Gestational Hypertension with Pre-Eclampsia • Pre-Eclampsia + Seizures/Coma - Eclampsia #Hypertension #Pregnancy #Differential #Diagnosis #Algorithm #causes #obstetrics #obgyn