| ethynodiol | 17a-Ethynyl-4-estrene-3b, 17b-diol;a semisynthetic orally effective steroid with biological effects that largely resemble those of progesterone; in addition, it is weakly oestrogenic and androgenic; administered in combination with an oestrogen as an oral contraceptive. Ethynodiol diacetate, 3,17-diacetate of ethynodiol;an antifertility agent, usually used in combination with mestranol. (05 Mar 2000) |
|---|---|
| ethynodiol diacetate | <chemical> A synthetic progestational hormone used alone or in combination with oestrogens as an oral contraceptive. Pharmacological action: contraceptives, oral, synthetic, progestational hormones, synthetic. Chemical name: 19-Norpregn-4-en-20-yne-3,17-diol, diacetate, (3beta,17alpha)- (12 Dec 1998) |