New vaginal ring shows promise for birth control
Disease control
Completed
This study tested a vaginal ring that releases a hormone to prevent pregnancy. Over 1,000 women used the ring for about a year. Researchers checked how well it worked, its safety, and how women felt about it.
Phase: PHASE3 • Sponsor: Chemo Research • Aim: Disease control
Last updated May 17, 2026 06:15 UTC