Adenomyosis occurs when endometrial glands and stroma are found in the myometrium, not just in the endometrium where they belong. This condition leads to uterine enlargement and irregular bleeding.

• 子宫内膜的腺体和基质在子宫内膜以外的部位如子宫肌层内可见即发生了子宫腺肌病。此种情况会导致子宫的体积增大和阴道不规则的流血。