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HealthInfo Canterbury

Adenomyosis

Adenomyosis is a condition where the cells that make up the lining (endometrium) of your uterus start to grow in the uterus' muscle wall (myometrium). Your uterus is also called your womb.

This can cause several symptoms, including painful, heavy or irregular periods. Less commonly, adenomyosis can cause painful sex or painful bowel movements.

Sometimes there are no symptoms.

Often, if you have adenomyosis you can also have endometriosis, but they are different conditions. Endometriosis happens when the endometrium cells grow outside the uterus.

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Written by HealthInfo clinical advisers. Last reviewed September 2021.

Page reference: 174035

Review key: HIADE-174035