This document discusses hypertensive disorders of pregnancy, which are a leading cause of maternal mortality worldwide. It defines the different types of hypertensive disorders like gestational hypertension, preeclampsia, and chronic hypertension. Preeclampsia is characterized by new onset hypertension and proteinuria after 20 weeks of gestation. The document outlines risk factors, pathogenesis, clinical manifestations, investigations, management including delivery timing, and complications like eclampsia and HELLP syndrome for different hypertensive disorders of pregnancy. Magnesium sulfate is the primary treatment for seizures of eclampsia. Delivery is usually required to resolve preeclampsia symptoms.