4,410
Participants
Start Date
May 31, 2005
Study Completion Date
April 30, 2007
Planned Parenthood of New York City, New York
Family Planning Associates Medical Group, Chicago
Planned Parenthood of San Diego and Riverside Counties, San Diego
Planned Parenthood Federation of America
OTHER
David and Lucile Packard Foundation
OTHER
Gynuity Health Projects
OTHER