The U.S. Food and Drug Administration today approved Annovera (segesterone acetate and ethinyl estradiol vaginal system), which is a combined hormonal contraceptive for women of reproductive age used to prevent pregnancy and is the first vaginal ring contraceptive that can be used for an entire year. Annovera is a reusable donut-shaped (ring), non-biodegradable, flexible vaginal system that is placed in the vagina for three weeks followed by one week out of the vagina, at which time women may experience a period (a withdrawal bleed). This schedule is repeated every four weeks for one year (thirteen 28-day menstrual cycles).
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