Patent ID: 7858605

Claim:
A preparation comprising (a) 81 to 89 dosage forms comprising a combination of estrogen and progestin; and (b) 2 to 8 dosage forms consisting essentially of estrogen, wherein: the estrogen in each of the 81 to 89 dosage forms comprising the combination of estrogen and progestin in (a) is present in an amount equivalent to about 10 μg to about 50 μg of ethinyl estradiol; the estrogen in each of the 2 to 8 dosage forms consisting essentially of estrogen in (b) is present in an amount equivalent to about 5 μg to about 10 μg ethinyl estradiol; and the progestin in each of the dosage forms comprising the combination of estrogen and progestin in (a) is present in an amount of about 50 μg to about 150 μg of levonorgestrel.