A 35-year-old pregnant woman with hypertension, developed edemas and headache at the 33 week of her pregnancy. Objectively her general condition is satisfactory, blood pressure - 160/100 mm Hg. normal uterine tone. Fetal heart rate is 140/min., rhythmic. She was diagnosed with daily proteinuria - 4 g/L, daily diuresis -1100 mL. Creatinine - 80 mcmol/L, urca - 7 mmol/L, platelets - 100 x 109/L. What complication of pregnancy occurred?