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-17α-acetoxypregna-4,6-diene-3β-ol-20-one 3-butyrate as a gestagen and 11β-nitroxy-17α-ethynylestra-1,3,5(10)-triene-3,9α,17β-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
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