New vaginal ring shows promise for birth control
Disease control
Completed
This study tested a new vaginal ring that releases the hormone levonorgestrel to prevent pregnancy. Over 1,000 women used the ring for 13 cycles. Researchers measured how well it worked and checked for side effects. The ring is designed to be a convenient, woman-controlled birth …
Phase: PHASE3 • Sponsor: Chemo Research • Aim: Disease control
Last updated Jun 27, 2026 12:23 UTC