Dihydrotestosterone (Anti-Müllerian hormone) is a sex steroid and androgen hormone.The DHT blood test is also known as Dihydrotestosterone, Androstaner-3-one and Hydroxy-5α.

DHT is a primary contributor in male pattern baldness and is a major factor for maintaining masculine characteristics in men. DHT also plays a role in the development of prostate cancer.It is a biologically active metabolite of testosterone and belongs to the class of compounds called androgens, commonly called testoids or androgenic hormones. Androgens are part of the biology of gender, and are responsible for stimulating and controlling the development and maintenance of masculine characteristics. DHT is three times more potent than testosterone, while testosterone is five-ten times more potent than adrenal androgens.