Summary:
Thirteen cycle evaluation of the safety and efficacy of a progesterone only oral contraceptive (birth control pill.)
Qualified Participants Must:
Be female
Be 18 years of age or older
Be sexually active at risk of pregnancy with no upper limit of age
Have regular menstrual cycles for the last six months
Be willing to have intercourse each cycle of trial
Be willing to use investigation medication for thirteen 28-day cycles
Qualified Participants May Receive:
Investigation medication, study related examinations and laboratory testing, and financial compensation for time and travel.