Patent ID: 8450299
Filing Date: 2013-05-28
Classification: A61K,A61P

Abstract:
1. A method of contraception, the method comprising: administering to a female in need thereof a dosage comprising estrogen and progestin for a period of 83 to 89 consecutive days, wherein the dosage comprising estrogen and progestin is administered in at least three phases, wherein the daily dosage of estrogen in the first phase is equivalent to 15 μg to 25 μg of ethinyl estradiol, the daily dosage of estrogen in the second phase is equivalent to 20 μg to 30 μg of ethinyl estradiol, and the daily dosage of estrogen in the third phase is equivalent to 25 μg to 35 μg of ethinyl estradiol, wherein the daily dosage of estrogen in the second phase is higher than the daily dosage of estrogen in the first phase, and wherein the daily dosage of estrogen in the third phase is higher than the daily dosage of estrogen in the second phase.