<unk>  (BAN/INN), also known as<unk>  and<unk> , is a synthetic progestogen used to prevent threatened miscarriage, recurrent pregnancy loss and premature labor. In men, it has also been studied as a treatment for benign prostatic hyperplasia, with encouraging results.<unk>  is sold under several trade names, including Gestin, Turinal,Gestrenol, Gestanin, Gestanol or Gestanon, Maintaine, Orageston, and Profar. It is currently not marketed in the United States, United Kingdom, or Canada, but as of  2011[update], is extensively used in Bangladesh,Japan, Russia, India, and much of Southeast Asia.
Allylestrenol
Lynestrenol
Ethylestrenol
Norethandrolone
Norethisterone
Nandrolone
Oxandrolone
Methandrostenolone