Abstract
Hypertensive disorders are the most common medical complications of pregnancy and are an important cause of maternal and perinatal morbidity and mortality worldwide.1 During normal pregnancy, systolic pressure changes little; however, diastolic pressure decreases by an average of 10 mm Hg early in gestation (13 to 20 weeks) and rises again to prepregnancy levels in the third trimester. The term “hypertension in pregnancy” describes a broad spectrum of conditions in which blood pressure varies widely. In reviewing the literature on this subject, one is faced with difficulties regarding the definitions and classifications used to categorize hypertension in pregnant women,2– . . .