| 摘要 |
<p>Conception is prevented in a fertile female who has not reached the pre-menopause by the admin. over a 28 day cycle of a combination of: (a) an estrogen content comprising: 2-6 mg 17beta -oestradiol or 0.015-ethynyloestradiol; and (b) a gestagen content comprising: 0.05-0.075 mg gestodene; 0.075-0.125 mg levonorgestrel; 0.06-0.15 mg desogestrel or 3-ketodesogestrel; 0.1-0.3 mg drospirenone; 0.1-0.2 mg cyproterone acetate; 0.2-0.3 mg norgestimate or > 0.35 mg to 0.75 mg norethisterone; for 23 or 24 days commencing on day 1 of the menstruation cycle followed by 5 or 4 days without this medication or with a placebo. Also claimed is a contraceptive pack contg. 23 or 24 dosage units contg. the oestrogen and gestagen components and 5 or 4 placebos or other instructions to the effect that 5 or 4 days without medicament or with placebo should follow the admin. of a dosage unit for 23 or 24 consecutive days; with the estrogen content being: > 2 mg to 6 mg oestradiol or 0.02 mg ethynyloestradiol; and the gestagen content being: above 0.06-0.075 mg gestodene, > 0.1-0.125 mg levonorgestrel, > 0.1-0.15 mg desogestrel or 3-ketodesogestrel, 0.25-0.3 mg drospirenone, 0.1-0.2 mg cyproterone acetate, 0.2-0.3 mg norgestimate or 0.5-0.75 mg norethisterone.</p> |
