What is "dienestrol"

n. A synthetic estrogen.

Dienestrol ( INN, USAN) (brand names Ortho Dienestrol, Dienoestrol, Dienoestrol Ortho, Sexadien, Denestrolin, Dienol, Dinovex, Follormon, Oestrodiene, Synestrol, numerous others), also known as dienoestrol ( BAN), is a synthetic, non-steroidal estrogen of the stilbestrol group used to treat menopausal symptoms in the United States and Europe. It was introduced in the U.S. in 1947 by Schering as Synestrol and in France in 1948 as Cycladiene. Dienestrol is a close analogue of diethylstilbestrol.

Dienestrol diacetate (brand names Faragynol, Gynocyrol, others) also exists and is used medically.