700
Participants
Start Date
June 30, 2007
Primary Completion Date
April 30, 2009
Study Completion Date
November 30, 2012
enhanced initial supply of oral contraception
7 packs of pills, or 1 pack of pills and a prescription for 6 refills
conventional initial supply of oral contraception
3 packs of pills, or 1 pack of pills and a prescription for 2 refills
Columbia University Medical Center, Family Planning Clinic, New York
Centers for Disease Control and Prevention
FED
Columbia University
OTHER