Definition
By Mayo Clinic staffAdenomyosis (ad-uh-no-my-O-sis) is a condition in which endometrial tissue, which normally lines the uterus, is present within and grows into the muscular walls of the uterus. This is most likely to happen late in your childbearing years and after you've had children.
Adenomyosis isn't the same as endometriosis — a condition in which the uterine lining becomes implanted outside the uterus — although women with adenomyosis often also have endometriosis. The cause of adenomyosis remains unknown, but the disease typically disappears after menopause. For women who experience severe discomfort from adenomyosis, there are treatments that can help, but hysterectomy is the only cure.
Although adenomyosis can be quite painful, the condition is generally harmless.
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