The first vaginal ring contraceptive that women can use for a full year has received FDA approval. In comparison, a contraceptive ring currently marketed in the United States has to be replaced monthly.
Made of soft, nonbiodegradable silicone, the contraceptive ring prevents pregnancy by releasing a novel progestin, segesterone acetate, and the widely used estrogen, ethinyl estradiol. The product, which will be sold under the brand name Annovera, was developed by researchers at the Population Council, a New York City–based nongovernmental organization that studies international health and development issues.
Voelker R. Vaginal Ring Contraceptive Remains Effective for 1 Year. JAMA. 2018;320(11):1098. doi:10.1001/jama.2018.13299
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