What is adenomyosis?

Adenomyosis is a condition where tissue similar to the uterine lining grows into the muscular wall of the uterus (the myometrium). Because this tissue still responds to hormonal cycles, it can swell and bleed with your period—often leading to inflammation and an enlarged, tender uterus. Common symptoms include heavy or prolonged bleeding, severe cramping, pelvic pain or pressure, pain with sex, and sometimes fertility challenges.

Unlike endometriosis, adenomyosis stays within the uterus rather than spreading outside it, and it may be diffuse (spread throughout the uterine muscle) or more localized (sometimes forming an adenomyoma). It also frequently overlaps with endometriosis, which can make symptoms more intense and diagnosis more complex. Our team can help you make sense of your symptoms and imaging, and talk through treatment paths that match your goals—whether that’s symptom control, fertility planning, or more definitive options.