Hypertensive disorders in pregnancy are a leading cause of global maternal and fetal morbidity. The four hypertensive disorders of pregnancy include chronic hypertension, gestational hypertension, preeclampsia-eclampsia, and chronic hypertension with superimposed preeclampsia. A careful history, review of systems, physical examination, and laboratory analysis can help differentiate these disorders and quantify the severity of the disease, which holds important implications for disease management. This article reviews the different types of disorders of hypertension in pregnancy and how to diagnose and manage these patients, with special attention paid to any recent changes made to this management algorithm.