Anxiety,Abdominal cramping,Amenorrhea,Bloating,Breakthrough bleeding,Breast enlargement,Breast tenderness,Delayed ejaculation,Depression,Dry mouth,Headache,Hypertension,Impotency,Influenza,Leukorrhea,Melasma,Muscle cramps,Nausea,Nervousness,Peripheral edema,Polydipsia,Pruritus,Rash,Swelling,Spotting,Syncope,Toothache,Vaginal discomfort, vaginal erosion, vaginal ulceration, adherence of the vaginal ring to the vaginal wall (Estring),Vomiting,Weight changes