Patent ID: RE39861

Claim:
A method of extended female contraception that reduces the number of menstrual periods per year, which comprises orally monophasicly administering to a pre-menopausal female a combination of estrogen and progestin for 60-110 84 consecutive days in which the daily amounts of estrogen and progestin are equivalent to about 5-35 30 mcg of ethinyl estradiol and about 0.025 to 10 0.25-1.5 mg of norethindrone acetate, respectively, following followed by non-administration administration of a placebo for a period of 3-10 5-8 days , wherein the combination of estrogen and progestin and the placebo are packaged together in a kit, and wherein the method of female contraception reduces the number of menstrual periods per year to four when the method is practiced for at least one year .