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Fibroids, also called as myomas, fibromyomas or leiomyoma, are non-cancerous tumors of the uterus that appear during your childbearing years. Fibroids can appear on the inside or outside lining of your uterus, or within its muscular wall. They usually develop from a single smooth muscle cell that continues to grow. 
Fibroids often cause no problems, but may occasionally be associated with infertility, miscarriage and premature labor. Other possible problems include heavy, lengthy and painful periods. Treatment depends on the size, number, and location of the fibroids, but may include drugs and surgery. Fibroids rarely turn cancerous.


In many cases, fibroids are asymptomatic. Symptoms may include:

  • Heavy periods
  • Lengthy periods
  • Pelvic pain
  • Difficulty getting pregnant
  • Miscarriage
  • Spotting between periods
  • Painful intercourse
  • A sensation of heaviness or pressure in the back, bowel and bladder
  • Frequent urination
  • A lump or swelling in the lower abdomen

Different types

Fibroids are categorized by their location, which includes:

  • Intramural – growing in the uterine wall. Intramural fibroids are the most common variety.
  • Submucosal – growing in the uterine lining (endometrium). This type tends to cause excessive menstrual bleeding and period pain
  • Subserosal – growing on the exterior wall of the uterus. They sometimes appear like balloon on a stick

Common complications

Fibroids can cause a variety of complications, including:

  • Anemia – excessive menstrual blood loss can cause anemia, a disorder characterized by the body’s inability to carry sufficient oxygen in the blood. Symptoms of anemia include breathlessness, fatigue, and paleness
  • Urination problems – large fibroids can bulge the uterus against the bladder, causing a sensation of fullness or discomfort and the need to urinate often
  • Infertility – the presence of fibroids can interfere with implantation of the fertilized egg in a number of ways.
  • Miscarriage and premature delivery – fibroids can reduce blood flow to the placenta, or else compete for space with the developing baby

Methods of Diagnosis

Fibroids can be detected using an ultrasound, where sound waves create a two-dimensional picture. The inside of the uterus can be examined with a hysteroscope, which is a thin camera passed through the cervix (neck of the womb). The outside of the uterus can be viewed via laparoscopy, where a thin camera is placed in the abdominal cavity through the belly button. Imaging such as MRI can be used as well.

Most fibroids do not cause symptoms and do not require treatment. A ‘wait and see’ approach is sometimes adopted.

  • Fibroids may require treatment in the following circumstances:
  • Fibroids are growing large enough to cause pressure on other organs, such as the bladder
  • Fibroids are growing rapidly
  • Fibroids are causing abnormal bleeding
  • Fibroids are causing problems with fertility

Treatment options

Treatment depends on the location, size, and the number of the fibroids, but may include:

  • Medications – such as hormones, used in combination to shrink the fibroids prior to surgery or alone to improve symptoms.
  • Hysteroscopy – the fibroids are removed via the cervix, using a hysteroscope
  • Laparoscopy – a thin tube is inserted through the abdomen to remove the fibroids
  • Open surgery – larger fibroids need to be removed via an abdominal incision. This procedure weakens the uterine wall and makes Caesarean sections for subsequent pregnancies more
  • likely
  • Hysterectomy – the surgical removal of some, or all, of the uterus. Pregnancy is no longer possible after a hysterectomy

Endometrial polyps

A polyp is a small protrusion that looks like a tiny ball on the end of a slim stalk. Endometrial polyps can also contribute to menstrual problems, such as excessive bleeding and pain.