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General Articles

What exactly are fibroids (Leiomyomas) exactly?

Fibroids are common, non-cancerous growths in the womb made of muscle and fibrous tissue. This article explains the different types, what may cause them and the symptoms they can bring.

Mr M. Usman
Medically reviewed by Mr M. Usman
Written by Atif Riaz
Updated 14 Oct 2026
5 min read
Fact checked
In this guide
Ultrasound image of a large fibroid in the womb
Ultrasound image of a large fibroid

Fibroids are benign (non-cancerous) tumours that grow in the uterus. They are made up of smooth muscle cells and fibrous connective tissue and are typically round or oval in shape. Fibroids are very common, with as many as 70-80% of women developing them at some point in their lives. While most fibroids are small and cause no symptoms, some women may experience heavy periods, pelvic pain, and pressure on the bladder or rectum. In rare cases, fibroids can cause fertility problems or complications during pregnancy.

There are several types of fibroids, including submucosal fibroids, which grow in the uterine lining; intramural fibroids, which grow within the uterine wall; and subserosal fibroids, which grow on the outer surface of the uterus. Fibroids can also be classified based on their size, with small fibroids being less than 5 cm in diameter and large fibroids being over 10 cm in diameter.

The exact cause of fibroids is unknown, but they are thought to be influenced by hormonal imbalances, particularly high levels of estrogen. Women who are overweight or obese, have high blood pressure, or have a family history of fibroids are more likely to develop them. Fibroids are also more common in African-American women and women over the age of 35.

Diagnosis of fibroids is typically made through a pelvic exam or imaging tests such as a pelvic ultrasound or MRI. In most cases, treatment is not necessary if the fibroids are small and do not cause any symptoms. However, larger fibroids or those that are causing symptoms may be treated with medications, uterine artery embolization, or surgery. Medications, such as gonadotropin-releasing hormone agonists, can help shrink the size of the fibroids, while uterine artery embolization is a minimally invasive procedure that cuts off the blood supply to the fibroids, causing them to shrink. Surgery, such as a hysterectomy, may be necessary in more severe cases.

It is important for women with fibroids to discuss their treatment options with their healthcare provider. While most fibroids are benign, it is important to rule out any other potential causes of abnormal uterine growth, such as uterine cancer. Regular check-ups with a healthcare provider can help ensure that any necessary treatment is promptly administered.

What diet is best to reduce fibroids?

There is no specific diet that has been proven to reduce fibroids. However, some research suggests that certain dietary changes may help to prevent the development of fibroids or reduce their size. These include:u003cbru003e1. Eating a diet rich in fruits and vegetables: A diet high in fruits and vegetables has been linked to a lower risk of fibroids. These foods are rich in antioxidants, which may help to reduce inflammation and prevent the development of fibroids.u003cbru003eu003cbru003e2. Limiting red meat intake: Some research has suggested that a high intake of red meat may increase the risk of developing fibroids. Limiting red meat intake and choosing plant-based proteins, such as beans and nuts, may help to reduce the risk of fibroids.u003cbru003eu003cbru003e3. Getting enough calcium: Low calcium intake has been linked to an increased risk of fibroids. Incorporating calcium-rich foods, such as dairy products, leafy green vegetables, and nuts, into your diet may help to reduce the risk of fibroids.u003cbru003eu003cbru003e4. Limiting alcohol intake: Excessive alcohol consumption has been linked to an increased risk of fibroids. Limiting alcohol intake may help to reduce the risk of fibroids.u003cbru003eu003cbru003e5. Maintaining a healthy weight: Obesity has been linked to an increased risk of fibroids. Maintaining a healthy weight through a balanced diet and regular exercise may help to reduce the risk of fibroids.u003cbru003eu003cbru003eIt is important to note that while these dietary changes may help to prevent the development of fibroids or reduce their size, they are not a replacement for medical treatment.

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Mr M. Usman

Medically reviewed by Mr M. Usman
The Scan Clinic, Gants Hill. Written by Atif Riaz. Last updated 14 October 2026.

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The Scan Clinic is committed to providing accurate and objective educational content about health and medical related topics. We know that there is a lot of misinformation out there, and we take our responsibility to be a trustworthy source of information seriously. Every article on our site is thoroughly fact-checked by our team of writers.

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