Efficacy of low-dose oral contraceptives containing levonorgestrel, gestoden and cyproterone acetate.

Abstract

The efficacy of low-dose oral contraceptives containing 30 micrograms or 35 micrograms ethinyl estradiol in combination with Levonorgestrel, gestoden (delta 15-Levonorgestrel) and cyproterone acetate was studied. Borderline doses for inhibition of ovulation were found to be approximately 50 micrograms for Levonorgestrel, 40 micrograms for gestoden and 1 mg… (More)

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