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|Title:||Low dose oral contraceptives with less breakthrough bleeding and sustained efficacy|
|Abstract:||A method of female contraception which is characterized by a reduced incidence of breakthrough bleeding after the first cycle involves monophasicly administering a combination of estrogen and progestin for 23-25 consecutive days of a 28 day cycle in which the daily amounts of estrogen and progestin are equivalent to about 5-35 mcg of ethinyl estradiol and about 0.025 to 10 mg of norethindrone acetate, respectively and in which the weight ratio of estrogen to progestin is at least 1:45 calculated as ethinyl estradiol to norethindrone acetate.|
|Inventor(s):||Hodgen; Gary D. (Norfolk, VA)|
|Assignee:||The Medical College of Hampton Roads (Norfolk, VA)|
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