A 20-year-old woman complains of amenorrhea. She has hirsutism and obesity with predominant distribution of adipose tissue on the face, neck, and upper torso. On her face she has acne vulgaris, on her skin there are stretch marks. The blood pressure is 170/100 mm Hg. Her mental development and intelligence are not impaired. Gynecological status shows moderate hairiness of the external genitalia and acute hypoplasia of the vagina and uterus. Make the right diagnosis: