Does annovera contain estrogen?

See the DrugPatentWatch profile for annovera

Yes, Annovera contains estrogen.

Annovera is a vaginal ring contraceptive that delivers a combination of hormones. It contains both a progestin (segesterone acetate) and an estrogen (ethinyl estradiol).

Does Annovera contain estrogen or just progestin?
Annovera is a combined hormonal contraceptive rather than a progestin-only method. It delivers 150 mcg of ethinyl estradiol daily alongside 150 mcg of segesterone acetate. It uses a single ring that is inserted for three weeks, removed for one week, and reused up to 13 times.

How does Annovera compare to NuvaRing?
NuvaRing contains a different progestin—etonogestrel—along with the same amount of ethinyl estradiol. Annovera’s progestin is segesterone acetate, which has a lower systemic exposure and is designed for one-year use. NuvaRing is designed for one-month use.

When does Annovera’s patent expire?
Annovera’s patents are held by the Population Council and licensed to TherapeuticsMD. TherapeuticsMD has claimed 2033 as the latest possible date for patent expiry. [1]

What alternatives exist if someone wants a ring without estrogen?
No vaginal rings are currently approved that contain progestin only. All existing vaginal rings are combined methods. Users interested in pro<|eos|>