A monthly ring could put birth control on autopilot — a trial puts it to the test
Disease control
Not yet recruiting
This phase 3 trial is testing whether a levonorgestrel vaginal ring, worn continuously for 28 days, can effectively prevent pregnancy in females aged 13 to 45 who are sexually active and able to conceive. Researchers will track pregnancies and side effects over about 13 months of…
Phase: PHASE3 • Sponsor: Chemo Research • Aim: Disease control
Last updated Jul 31, 2026 00:00 UTC