
Fibroids are non-cancerous growths that develop in the muscle layer of the uterus. They are made up of muscle and fibrous connective tissue and can vary in size. Also known as myomas or leiomyomas, fibroids are very common, with an estimated 20% to 50% of women of reproductive age currently having them. They can cause painful and heavy periods, and in some cases, they may lead to complications such as anaemia due to blood loss. While most fibroids do not require treatment, severe symptoms may necessitate medicinal or surgical intervention.
| Characteristics | Values |
|---|---|
| Definition | Uterine fibroids are growths made up of muscle and connective tissue. |
| Growth | Fibroids are non-cancerous growths that develop in the muscle layer beneath the womb's inner lining and grow into the cavity of the womb. |
| Symptoms | Heavy menstrual bleeding, back pain, frequent urination, pain during sex, prolonged periods, bleeding between periods, pressure in the abdomen, pelvic pain, abdominal swelling, constipation, painful periods, infertility, anaemia, miscarriage, premature labour. |
| Risk Factors | Genetics, prolonged exposure to estrogen, being of reproductive age, being between 30 and 50 years old, being Black. |
| Diagnosis | Pelvic ultrasound, magnetic resonance imaging (MRI), hysterosalpingography, internal examination. |
| Treatment | Medication, surgery, implants, intra-uterine devices, myomectomy, hysterectomy, anti-inflammatory painkillers, GnRH agonists. |
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What You'll Learn
- Submucosal fibroids develop in the muscle layer beneath the womb's inner lining
- Subserous/subserosal fibroids grow on the outer wall of the muscle layer
- Intramural fibroids grow within the muscle wall of the uterus
- Fibroids are non-cancerous and don't increase the risk of uterine cancer
- Treatment options include medication, surgery, and other less invasive procedures

Submucosal fibroids develop in the muscle layer beneath the womb's inner lining
Fibroids are a common type of growth, with an estimated prevalence of 40% to 80% among individuals with a uterus. They are non-cancerous growths that develop in or around the womb, also known as uterine myomas or leiomyomas. These growths are composed of muscle and fibrous connective tissue and vary in size. While many individuals are unaware they have fibroids due to the absence of symptoms, some may experience heavy menstrual bleeding, prolonged periods, bleeding between periods, abdominal pressure, pelvic pain, and pain during intercourse.
Submucosal fibroids are a specific type of fibroid that develops in the muscle layer beneath the inner lining of the womb, also known as the uterus. They are classified as one of the three main types of uterine fibroids, which include intramural and subserosal fibroids. Submucosal fibroids grow into the cavity of the womb, potentially causing more bleeding problems than other types due to their space-occupying nature.
The development of submucosal fibroids in the muscle layer beneath the womb's inner lining can lead to a higher likelihood of pregnancy and fertility issues. Even when submucosal fibroids are small, they may still cause symptoms such as heavy menstrual bleeding and prolonged periods. This is because their location can crowd the uterine space, impacting normal reproductive functions.
The treatment approach for submucosal fibroids depends on the patient's symptoms, age, medical history, and health goals, such as the desire for pregnancy. Conservative management, including anti-inflammatory medications like ibuprofen or naproxen, may be recommended for individuals experiencing occasional pelvic pain or discomfort. More invasive options, such as surgery, may be considered if conservative treatments are ineffective or if the fibroids cause significant symptoms or complications.
In summary, submucosal fibroids develop in the muscle layer beneath the womb's inner lining, potentially leading to fertility issues and heavy menstrual bleeding. Treatment options range from conservative management to surgical interventions, depending on the patient's specific circumstances and the severity of their condition.
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Subserous/subserosal fibroids grow on the outer wall of the muscle layer
Fibroids are a very common type of growth, with an estimated prevalence of 40% to 80% among people with a uterus. They are most prevalent in individuals between the ages of 30 and 50. Uterine fibroids, also known as leiomyomas, are growths composed of muscle and connective tissue that form in or on the wall of the uterus. These growths are typically benign and are the most prevalent benign tumours in women.
Subserous/subserosal fibroids are a type of uterine fibroid that grows under the lining of the outer surface of the uterus. They can grow quite large and extend into the pelvis. They are one of the most common types of fibroids, accounting for approximately 95% of all leiomyomas.
Subserous/subserosal fibroids can cause a variety of symptoms, including heavy menstrual bleeding, back pain, frequent urination, and pain during intercourse. They can also cause abdominal distension, making the abdomen appear pregnant. The size and location of subserous/subserosal fibroids play a significant role in the severity of symptoms. For example, fibroids the size of a small marble may still cause excessive bleeding if they are located near the bladder or rectum.
Treatment for subserous/subserosal fibroids may include medication or surgery, depending on the patient's symptoms, age, medical history, and health goals such as a desire for pregnancy. Anti-inflammatory painkillers, such as ibuprofen or naproxen, may be recommended to reduce menstrual bleeding and provide pain relief. In some cases, a procedure called a laparoscopic myomectomy may be performed to remove subserous/subserosal fibroids abdominally.
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Intramural fibroids grow within the muscle wall of the uterus
Intramural fibroids are non-cancerous growths that develop within the muscular wall of the uterus. They are the most common type of uterine fibroid, with an estimated prevalence of 20% to 50% among women of reproductive age. Intramural fibroids can vary in size, ranging from small growths to large masses exceeding 10 centimetres in diameter.
These fibroids typically form between the muscle fibres of the uterine wall. They are classified based on their specific location within the uterus: anterior intramural fibroids grow on the front wall, posterior intramural fibroids on the back wall, and fundal intramural fibroids on the top part of the uterus. The location of an intramural fibroid influences the potential impact on an individual's health and the treatment options available.
While many intramural fibroids do not cause noticeable symptoms, some may lead to heavy periods, pelvic pain, and reproductive issues. Infertility associated with intramural fibroids is often related to the size and location of the fibroid, as they can obstruct the fallopian tubes or interfere with the implantation of a fertilized egg in the uterus.
Treatment options for intramural fibroids depend on the severity of symptoms and an individual's health goals, such as their desire for pregnancy. "Watchful waiting" is a common approach, where healthcare providers monitor the patient's symptoms and the growth of the fibroids over time. If symptoms become significant, more invasive treatments may be recommended, including surgical procedures such as myomectomy or hysterectomy, or uterine artery embolization (UAE) to reduce blood supply to the fibroid.
It is important to consult with a healthcare provider to determine the most appropriate course of action for managing intramural fibroids, as the treatment plan may vary depending on individual circumstances.
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Fibroids are non-cancerous and don't increase the risk of uterine cancer
Uterine fibroids are non-cancerous growths that develop in the uterus. They are also known as leiomyomas and are the most common non-cancerous tumours in females. These growths are made of muscle and connective tissue and are usually benign. While the cause of fibroids is not known, research suggests that they develop from an abnormal muscle cell in the uterus and multiply rapidly when encountering the estrogen hormone.
Fibroids are very common, with approximately 40% to 80% of people with a uterus having them at some point in their lives. They are most common in people between the ages of 30 and 50 and rare in those who have not yet had their first period or who have entered menopause. While most fibroids are small and do not cause any symptoms, larger fibroids can cause a variety of symptoms, including excessive or painful bleeding during periods, bleeding between periods, a feeling of fullness in the lower belly or abdomen, frequent urination, pain during sex, low back pain, constipation, and pressure on the rectum.
While fibroids themselves are not cancerous, there is a very rare possibility of a benign leiomyoma transitioning into a cancerous leiomyosarcoma. However, this malignant transformation is considered unproven by researchers. It is important to note that uterine fibroids are not associated with an increased risk for any type of cancer. In fact, only 1 out of 350 people with fibroids will develop cancer.
The treatment for fibroids depends on the symptoms and can range from medicinal to surgical approaches. Small fibroids often do not require treatment beyond regular observation by a healthcare provider, while larger fibroids may be treated with medications or surgery. It is always recommended to consult a healthcare professional to determine the best course of treatment.
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Treatment options include medication, surgery, and other less invasive procedures
Fibroids are growths made of muscle and connective tissue that form in or on the wall of the uterus. They are usually non-cancerous and often asymptomatic, but when symptoms do occur, they can include heavy menstrual bleeding, back pain, frequent urination, and pain during sex. Treatment options depend on the patient's symptoms, the size, location, and number of fibroids, their age and medical history, and their health goals, such as a desire for pregnancy.
Medication is one treatment option for fibroids. Anti-inflammatory painkillers like ibuprofen or naproxen may be used to reduce menstrual bleeding and provide pain relief. This is the most conservative treatment and is recommended for women with occasional pelvic pain or discomfort due to fibroids. Gonadotropin-releasing hormone (GnRH) agonists are another medication option. They work by lowering estrogen levels, triggering a temporary "medical menopause," and shrinking the fibroids. However, these medications are temporary, and fibroids can grow back if the patient stops taking them. Oral therapies like elagolix and tranexamic acid can also be used to manage heavy uterine bleeding in people who haven't experienced menopause.
Surgery is another treatment option for fibroids. The type of surgical procedure depends on the patient's symptoms, the size, location, and number of fibroids, and their wishes for future pregnancies. Some surgical options preserve the uterus and allow for future pregnancies, while others can damage or remove the uterus. Myomectomy is a procedure that removes only the fibroids, allowing for future pregnancies, although patients may need to deliver via C-section. Hysteroscopy is a type of myomectomy where a thin, flexible, tube-like tool is inserted through the vagina and cervix to cut away and remove the fibroids. A hysterectomy, on the other hand, is a major surgery that removes the uterus, eliminating the possibility of recurrence but also preventing future pregnancies. It is recommended for women who are not interested in preserving their fertility.
Other less invasive procedures for treating fibroids may include robotic or laparoscopic surgery, depending on the size of the uterus, location of the fibroids, and the patient's medical history.
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Frequently asked questions
Fibroids are non-cancerous growths made of muscle and fibrous connective tissue that form in or on the wall of the uterus. They are also known as myomas or leiomyomas.
Many women do not experience any noticeable symptoms. However, common symptoms include heavy and irregular periods, bleeding between periods, abdominal pain, and frequent urination.
Treatment options depend on the patient's symptoms, the size and location of the fibroids, their age, medical history, and health goals such as a desire for pregnancy. Treatment may include medication, surgery, or other less invasive procedures.
Yes, fibroids are growths that develop in the muscle layer of the uterus, also known as the womb.











































