Estring is a prescription vaginal ring that contains estradiol, a female sex hormone, which is used in order to treat menopausal symptoms. The symptoms of menopause include the following: hot flashes, vaginal burning, dryness, and irritation that can cause uncomfortable or painful sex; this usually makes daily activities harder. Menopause happens to every woman, and this ring allows relief to the wearer. The Estring vaginal ring does not halt menopause or aging. Estring instead relieves symptoms of menopause. One should know that this vaginal ring may cause endometrial cancer or ovarian cancer. The patient should consult her doctor before using Estring or any other medication.