Continuous use of the vaginal contraception ring is well tolerated
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The contraceptive ring (NuvaRing??) is a flexible transparent ring that contains etonogestrel and ethinyl estradiol. In traditional use, the patient places the ring in her vagina once a month and removes it 3 weeks later, then has a menstrual period before inserting a new ring 1 week after removal. However, a recent randomized controlled trial supports the continuous use of the ring to prevent pregnancy and to decrease menstrual symptoms and bleeding. Further, a 4-day ring-free period is often effective for treatment of breakthrough bleeding, which is the most common side effect of extended use.
Evidence-based practice 12, no. 05 (2009): 01-03