1,672
Participants
Start Date
September 30, 1999
Study Completion Date
September 30, 2001
CDB-2914
levonorgestrel
University of Pittsburgh, Pittsburgh
California Family Health Council, Los Angeles
University of Colorado, Denver
New York University, New York
University of Cincinnati, Cincinnati
Eastern Virginia Medical School, Norfolk
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
University of Pittsburgh
OTHER