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The Florida Department of Health works to protect, promote, and improve the health of all people in Florida through integrated state, county, and community efforts.

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Uterine Fibroid Registry 

The Florida Department of Health created the Uterine Fibroid Registry after the passing of HB 543. The purpose of this registry is to “encourage research relating to the diagnosis and treatment of uterine fibroids and to ensure that women are provided with the relevant information and health care necessary to prevent and treat uterine fibroids.” Research conducted using the registry will not include any personal identifying information of those diagnosed with or treated for uterine fibroids.

FIGO Classification System 

FIGO fibroid subtypes. Submucosal fibroids include Type 0 (pedunculated intracavitary), Type 1 (≥50% submucosal), Type 2 (<50% submucosal), and hybrid fibroids. Fibroids without submucosal components include Type 3 (100% intramural fibroid with endometrial contact), Type 4 (100% intramural fibroid with no endometrial contact), Type 5 (≥50% intramural fibroid with subserosal component), Type 6 (<50% intramural fibroid with subserosal component), Type 7 (pedunculated subserosal), and Type 8 (non-myometrial location, such as cervical, broad ligament, or parasitic fibroids).

Submucosal fibroids: FIGO types 0–2

  • Type 0: Pedunculated intracavitary fibroids, attached to the endometrium by a vascular stalk.
  • Type 1: <50% intramural (>=50% submucosal)
  • Type 2: >=50% intramural (<50% submucosal)

Other fibroids: FIGO types 3-8

  • Type 3: 100% intramural, contacts endometrium, but does not extend into endometrial cavity.
  • Type 4: 100% intramural, no endometrial or serosal contact.
  • Type 5: Subserosal >=50% intramural (<50% subserosal)
  • Type 6: Subserosal <50% intramural (>=50% subserosal)
  • Type 7: Pedunculated subserosal without an intramural component. Also has a vascular stalk.
  • Type 8: Other - specify (e.g., cervical, parasitic, hybrid)


  1. Gomez E, Nguyen MLT, Fursevich D, Macura K, Gupta A. MRI-based pictorial review of the FIGO classification system for uterine fibroids. Abdom Radiol. 2021;46(5):2146-2155. doi:10.1007/s00261-020-02882-z.