The generic name for the Mannix Ring is Levonorgestrel IUD System. A 50-year-old woman may be put on a Levonorgestrel IUD System if she has severe endometriosis or adenomyosis, and heavy menstrual bleeding resulting in anemia. Whether it is necessary for a 50-year-old woman to get on a levonorgestrel IUD system depends on the woman’s situation. If a woman has severe endometriosis or adenomyosis with heavy bleeding and anemia, she can have a levonorgestrel IUD placed if necessary. However, if the endometriosis or adenomyosis is not severe, the bleeding is low and there is no anemia, the levonorgestrel IUD can also be left in place. This is because women at the age of 50 are about to face menopause. After menopause, the hormone level in a woman’s body will drop, and endometriosis or adenomyosis will gradually get better. If a woman’s endometriosis or adenomyosis does not improve after menopause, she needs to see a doctor in time.