NuvaRing Versus Marvelon in the Coordination of In Vitro Fertilization Cycles

0.150 mg desogestrel and 0.030 mg ethinyl estradiol tablets, USP. One tablet per day at the same time each day, from the beginning of the menstrual cycle.

etogestrel/ ethinyl estradiol slow release vaginal ring (11.4 mg/2.6 mg) to deliver 120 mcg etonogestrel/15 mcg ethinyl estradiol per day