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.

• 子宫内膜异位发生在子宫内膜腺体和间质出现在子宫壁而不是子宫内膜固有位置，这种情况会导致子宫体增大和不规则流血。