90
Participants
Start Date
January 31, 2010
Primary Completion Date
September 30, 2010
Study Completion Date
September 30, 2010
Placebo: Flexi ring FR01
Intrauterine device, inserted once for 3 months
Placebo: Flexi ring FR20
Intrauterine device, inserted once for 3 months
Placebo: Ultra low dose levonorgestrel contraceptive system (LCS)
Intrauterine device, inserted once for 3 months
Turku
Tampere
Kuopio
Uppsala
Helsinki
Den Helder
Heerlen
Zwijndrecht
Örebro
Stockholm
Lead Sponsor
Bayer
INDUSTRY