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What is endometriosis?

Endometriosis is a condition where cells similar to those that line the uterus grow in other areas of your body, especially around your ovaries and uterus.

These cells grow to form patches that bleed and leak fluid around the time you have your period. This can lead to inflammation, scarring and lumps.

The patches stay in different parts of your body. For example, the lining of your pelvis and abdomen, your upper abdomen, your abdominal wall or, more rarely, outside your pelvic area.

Endometriosis affects about one in 7 women of reproductive age.

    Diagram of a uterus affected by endometriosis
    Diagram of a uterus affected by endometriosis

    Watch this video

    In this short video, Dr Pav Nanayakkara, gynaecologist and advanced laparoscopic surgeon from Jean Hailes clinic, talks about endometriosis and how to manage the condition.

    This con­tent has been reviewed by a group of med­ical sub­ject mat­ter experts, in accor­dance with Jean Hailes pol­i­cy.

    1
    Endometriosis, How common is endometriosis? Australian Institute of Health and Welfare. Published December 14, 2023. Accessed February 13, 2024.
    Last updated: 
    08 April 2025
     | 
    Last reviewed: 
    31 March 2025

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