Estring vaginal rings are infused with estradiol, a type of estrogen essential for various bodily processes, especially in females. These rings release estrogen directly through the skin of the vaginal wall. They are primarily used post-menopause to alleviate moderate to severe menopausal symptoms affecting the vaginal area. These symptoms include dryness, burning, itching, urinary urgency or irritation, and discomfort during sexual intercourse.