The NuvaRing, shown with a ruler for scale In two large studies, over a one-year period, 15.1% of users discontinued NuvaRing because of adverse events. Device-related adverse events (foreign object sensation, sexual problems, or expulsion) were the most frequently reported adverse events that resulted in discontinuation (by 2.5% of users). Device-related adverse events were reported at least once during the one-year study period by 4.4% of NuvaRing users. The most common adverse events reported by 5 to 14% of the 2501 women who used NuvaRing in five clinical trials were: vaginitis (14.1%), headache (9.8%), upper respiratory tract infection (8.0%), leukorrhea (5.8%), sinusitis (5.7%), nausea (5.2%), weight gain (4.9%) and hair loss . NuvaRing is weight neutral. Additional side effect information (including, but not limited to, severe blood clots) is provided in the NuvaRing full prescribing information. Breakthrough bleeding occurs in 2.0 to 6.4% of NuvaRing users. Blood clots The vaginal ring with ethinylestradiol and<unk>  increases the risk of venous blood clots 6.5 times compared to non-users of hormonal birth control. This is similar to the risk of blood clots with combination birth control pills, which range between 3 times to 14 times the risk. As such, birth control vaginal rings do not necessarily appear to pose a lower risk of thrombosis than do birth control pills. Additionally pregnancy and the period immediately following pregnancy is associated with a high risk of blood clots.
Ethinylestradiol/etonogestrel
Ethinylestradiol/levonorgestrel
Ethinylestradiol/desogestrel
Segesterone acetate/ethinylestradiol
Norelgestromin/ethinylestradiol
Ethinylestradiol/drospirenone
Ethinylestradiol/megestrol acetate
Ethinylestradiol/gestodene