The Mannix Ring refers to the Levonorgestrel IUD system.The Levonorgestrel IUD system is generally recommended for women 47 years of age who are not menopausal and who also have relevant indications for the use of Levonorgestrel IUDs. The levonorgestrel IUD system is a type of intrauterine device that, in addition to being a good contraceptive, can also be used to treat dysmenorrhea, excessive menstruation, adenomyosis, and other pathologies. The levonorgestrel IUD system can be used in 47-year-old women who have not yet reached menopause and for whom the above indications exist, and for whom there are no contraindications such as endometritis, uterine malignancy, or material allergy. The use of levonorgestrel IUD system is generally not recommended for women aged 47 years who have reached menopause. Women should have the levonorgestrel IUD removed promptly if they have reached menopause while using the levonorgestrel IUD.