120
Participants
Start Date
January 31, 2006
Primary Completion Date
May 31, 2006
Study Completion Date
May 31, 2006
ethinyl estradiol / levonorgestrel
Take one tablet daily of 20 mcg ethinyl estradiol/100 mcg levonorgestrel for 21 days plus 7 days of placebo tablets, repeat for two months total duration.
ethinyl estradiol / levonorgestrel
Take one tablet daily of 20 mcg ethinyl estradiol/100 mcg levonorgestrel for 21 days plus 7 days of placebo tablets, repeat for two months total duration.
Oregon Health & Science University, Portland
Collaborators (1)
National Institutes of Health (NIH)
NIH
Oregon Clinical and Translational Research Institute
OTHER
Oregon Health and Science University
OTHER