DHEA-Sulphate is a male sex hormone found in both male and female. It is mostly produced in the adrenal glands however a small amount is produced in the male testes and the female ovaries. DHEA-Sulphate is used to control body function such as heart rate and blood pressure as well as being important in the production of sex hormones, testosterone and oestrogen. DHEA-Sulphate is measured for the diagnosis of tumours of the adrenal grands or diagnosis of disorders of the testicles or ovaries.