| 摘要 |
FIELD: medicine, hormones. ^ SUBSTANCE: invention relates to hormonal agents, in particular, to gestagen-estrogen composition eliciting contraceptive activity. Invention proposes gestagen-estrogen composition comprising 6-methyl-17alpha-acetoxypregna-4,6-diene-3beta-ol-20-one 3-butyrate as a gestagen and 11beta-nitroxy-17alpha-ethynylestra-1,3,5(10)-triene-3,9alpha,17beta-triol 3,17-acetate. The claimed composition elicits high contraceptive activity, inhibits pregnancy effectively in using both usually used and reduced doses of gestagen and estrogen. ^ EFFECT: enhanced contraceptive activity of composition. ^ 2 cl, 2 tbl |
