Patent ID: 7615545

Claim:
A method of contraception in a female in need thereof, the method comprising administering to the female a dosage comprising a combination of estrogen and progestin for a period of 81 to 89 consecutive days, followed by administration of a dosage consisting essentially of estrogen for a period of 2 to 8 consecutive days, wherein the estrogen that is administered in combination with progestin for the period of 81 to 89 consecutive days is administered in a daily amount equivalent to about 10 μg to about 50 μg of ethinyl estradiol, the estrogen that is administered for the period of 2 to 8 consecutive days is administered in a daily amount equivalent to about 5 μg to about 10 μg of ethinyl estradiol, and the progestin that is administered for the period of 81 to 89 consecutive days is administered in a daily amount of about 50 μg to about 150 μg of levonorgestrel.