Stages of Endometriosis

Cutaway view of abdomen

The picture to the right shows normal organs. Your healthcare provider can mark where you have growths of endometrial tissue. These are called implants.

Staging depends on certain factors. These include:

  • Number, size, and site of implants

  • Presence and extent of adhesions

  • Involvement of other pelvic organs

The stage may not match the pain you feel. Even early stages can cause a large amount of pain.

The 4 stages are listed below and are based on a complex scoring system.

I - Minimal

II - Mild

III - Moderate

IV - Severe

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