Overview Safety and Contraceptive Efficacy of an Intravaginal Ring With LNG (Levonorgestrel) Over One Year in Healthy Women Status: Completed Trial end date: 2016-07-07 Target enrollment: Participant gender: Summary Purpose of the study is to investigate safety and contraceptive efficacy of an LNG-containing intravaginal ring. Phase: Phase 3 Details Lead Sponsor: BayerTreatments: Contraceptive AgentsLevonorgestrel