The etonogestrel-releasing subdermal (ENG ... are 20-fold more effective than oral contraceptive pills, patch and ring, and have higher satisfaction and continuation than non-LARC methods.

It also contains the progestin etonogestrel. Annovera contains the progestin segesterone acetate. When inserted, the ring should stay in the vagina for three continuous weeks. After that ...

After a week's break, a new ring is inserted into the vagina. It releases a combination of estrogen (ethinyl estradiol) and progestin (etonogestrel) to prevent pregnancy. 2. Segesterone acetate ...