Where are uterine fibroids located within the uterus?

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Adam R. Geronemus, MD
Vascular & Interventional Radiology
Fibroids grow in the wall of the uterus and are located in the following areas:
  • Myometrial/intramural, located in the muscle wall of the uterus
  • Submucosal, located just under the surface of the uterine lining
  • Subserosal, located just under the outside covering of the uterus
  • Pendunculated, located on a long stalk on the outside of the uterus or inside the cavity of the uterus

 


 

There are 3 main types of fibroids as determined by their location in the uterus. The submucosal fibroids are located in the central most portion of the uterus, along the lining or on occasion located entirely in the cavity of the uterus. These are responsible for the heavy bleeding that can be seen with women suffering with fibroids. The subserosal fibroids are located at the outer margins of the uterus. They are responsible for the bulk symptoms (exs. pelvic pain, back pain, increased urinary frequency, constipation) that women with fibroids can suffer from. The third type of fibroid lies in the muscular portion of the uterus that is between the submucosal and subserosal locations. These fibroids can cause either the bleeding symptoms like the submucosal or the bulk symptoms like the subserosal or both depending on which way they grow and how large they become.
Evelyn Minaya, MD
OBGYN (Obstetrics & Gynecology)
Fibroids (benign tumors of the uterus) can be located in different parts of the uterus. Just like real estate, it's all about location, location, location! There are some fibroids that are located underneath the surface of the uterus, which are called subserosal; these generally do not cause bleeding but can cause pressure. There are those that are embedded in the muscle of the uterus, which are called intramural. Finally, there are those fibroids that affect the lining of the uterus, which are called submucosal, and these are the ones that usually present with excessive bleeding.

Continue Learning about Uterine Fibroids

Uterine Fibroids

If you have uterine fibroids, you may never even notice that they are there. Ranging from the size of a small seed to grapefruit-sized, fibroids are tumors on the uterus that rarely cause harm. Some women have true discomfort with ...

fibroids, including pain in the abdomen or low back, or pain during sex. Sometimes, uterine fibroids can cause miscarriage, preterm labor, or even lead to infertility. Women in their 40s and 50s, women of African-American descent and women that are overweight are at higher risk of developing fibroids, although an estimated 20-80% of women will have them at some point before they turn 50. If your doctor notices fibroids during an ultrasound or pelvic exam, he or she may want to treat them with medication or surgery.
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.