Hypertensive complications (preeclampsia and eclampsia) are the most severe complications of pregnancy, accompanied by high rates of maternal and perinatal morbidity and mortality. The frequency of arterial hypertension (AH) among pregnant women is, according to the literature, an average of 4-8%, 30% is chronic, i.e. arterial hypertension that existed before pregnancy, and 70% – gestational hypertension [1, 4].

The aim of the work is to develop and implement in healthcare practice a set of measures for prediction, early diagnosis of preeclampsia against the background of arterial hypertension, which will improve the outcomes of pregnancy and childbirth in this contingent of women.