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Polyps vs Cysts vs Fibroids in Women: What's the Difference?

Learn the differences between uterine polyps, ovarian cysts, and fibroids – including causes, common symptoms, cancer risks, and treatment options.

Gynaecology

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Published on 17 Apr 2026

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By Thomson Team

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You may have heard the terms “polyps”, “cysts”, or “fibroids” during a doctor’s visit or while searching for answers online. When these terms relate to your own health, it’s natural to feel unsure about what they mean.

The good news is that these are common conditions affecting the female reproductive system, and most are not serious.

Understanding how they differ can help you feel more confident when discussing your diagnosis and deciding on the next steps.

What are polyps, cysts, or fibroids?

image of polyps vs cysts vs fibroids

Uterine polyps, ovarian cysts and endometrial fibroids are growths that most often affect the reproductive organs in women, but they are not the same. The key difference lies in what they are made of and where they develop.

Here is a basic comparison to help you understand the differences:

Feature

Uterine polyps

Ovarian cysts

Endometrial fibroids

What they are

Small growths from the lining of the uterus (endometrium)

Fluid-filled sacs in or on the ovary

Solid, non-cancerous muscle tumours in the uterus

Where they occur

Inside the uterus

In the ovaries

Within or around the uterus

Texture

Soft, flat or on a stalk

Fluid-filled

Firm, solid

While they may share some similarities, knowing these key differences can help you understand what your doctor is saying and how it affects your health.

How do you tell if you have polyps, cysts, or fibroids?

Many women don't notice any symptoms, especially when the growths are minor.

When symptoms do appear, they often relate to your menstrual cycle or pelvic area:

  • Uterine polyps:

    • Irregular periods

    • Spotting between periods

    • Heavier periods in some cases

  • Ovarian cysts:

    • Pelvic pain or a dull ache on one side

    • Bloating or a feeling of fullness

    • Sudden pain if a cyst ruptures

  • Endometrial fibroids:

    • Heavy or prolonged menstrual bleeding

    • Pelvic pressure or fullness

    • Frequent urination or constipation

Your doctor may recommend the following to confirm the diagnosis:

  • Pelvic ultrasound

  • Hysteroscopy (for uterine polyps)

  • MRI in selected cases

These tests help your doctor identify the type of growth and whether treatment is needed

If you’ve noticed unusual symptoms or changes in your body, request an appointment with Thomson Medical. Our doctors can perform a physical examination to assess any growths you may have and determine whether it requires any treatment. 

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What causes polyps, cysts, or fibroids?

You might be wondering why you get cysts, polyps, or fibroids. These conditions are often linked to hormonal changes, particularly oestrogen, although other factors may also play a role.

Uterine polyps

Ovarian cysts

Fibroids

  • Hormonal stimulation of the uterine lining (especially oestrogen)

  • More common around perimenopause

  • Possible link to chronic inflammation

  • Strongly hormone-dependent (oestrogen and progesterone)

  • More common during reproductive age

  • Family history

These growths frequently grow slowly and can happen even if you're otherwise healthy. That's why it’s best to see your doctor for regular checkups and to get medical care as soon as you notice any unusual symptoms.

How might polyps, cysts, and fibroids affect your health?

Hearing that you may have a polyp, cyst, or fibroid can naturally raise concerns about your health.

In many cases, these growths are small and do not cause significant issues.

When they do have an impact, it is often related to:

  • Menstrual changes (heavier, irregular bleeding)

  • Pelvic discomfort or pressure

  • Fertility challenges in some cases

Many women continue to live normally with these conditions, especially when they are monitored appropriately.

Can they turn into cancer or be harmful?

It is natural to worry about whether these growths could be cancerous. The good news is that most polyps, cysts, and fibroids are not cancerous.

  • Fibroids are almost always benign

  • Ovarian cysts are usually benign, especially functional cysts

  • Uterine polyps are usually harmless, though a small number may require closer evaluation

It’s important to remember that having one of these growths doesn't guarantee you have cancer. Your doctor usually monitors for any changes to identify early signs that may need closer attention and recommends treatment as necessary.

With regular checkups and prompt care, any possible concerns may usually be found early and managed well.

How are polyps, cysts, or fibroids treated?

image of gynaeoclogical surgery

Not all of these growths need immediate treatment.

Your doctor usually considers:

  • The size and type of growth

  • Whether it is causing symptoms

  • Your age, overall health, and future plans (such as fertility)

In many cases, your doctor will recommend one of the following:

Monitoring

You might not need treatment immediately if the growth is minor and not causing any problems.

Your doctor might instead recommend:

  • Regular ultrasound follow-up

  • Monitoring for any changes in size or symptoms

Many cysts, especially functioning ovarian cysts, might resolve on their own over time.

Medication

Medications are often used to manage symptoms or control underlying causes, rather than remove the growth completely.

This may include:

  • Hormone therapy to help regulate periods or reduce fibroid size

  • Pain relief for discomfort

  • Medications to control bleeding

Your doctor often uses this method to treat uterine fibroids and various kinds of cysts.

Minimally invasive procedures

There are several minimally invasive treatment options available that have shorter recovery times, such as:

  • Hysteroscopic removal of uterine polyps

  • Laparoscopic surgery of ovarian cysts

  • Selected procedures for uterine fibroids

These methods let your doctor treat the problem while preserving surrounding healthy tissue. As such, recovery is often straightforward, and most women may go back to their daily activities in a few days to a couple of weeks.

Surgery

Surgery, such as the removal of fibroids (myomectomy), may be recommended if:

  • The growth is large

  • Symptoms are significant

  • There is uncertainty about the diagnosis

  • Other treatments have not been effective

Even in these cases, your doctor will carefully go over all of your alternatives with you so you may choose the one that best meets your needs and goals.

What should you do if you suspect polyps, cysts, or fibroids?

If you are unsure about your symptoms or diagnosis, it can help to take a step-by-step approach:

Here’s a simple, practical way to help you decide what to do next:

  • Pay attention to persistent or unusual symptoms

  • Avoid self-diagnosing based on online information

  • Seek a medical evaluation when needed

  • Follow up regularly if monitoring is recommended

Taking these steps can help you feel more confident about what you’re experiencing and when to get help.

If you’ve been told you may have a polyp, cyst, or fibroid, request an appointment with Thomson Medical for a personalised assessment. Our doctors can help you understand your condition and decide whether monitoring or treatment is the right next step.

FAQ

Can polyps, cysts, and fibroids go away on their own?

It depends on the type of growth:

  • Polyps: These usually don’t go away on their own and may need to be monitored or removed.

  • Cysts: Many cysts, especially functional ovarian cysts, can resolve naturally over time without treatment.

  • Fibroids: Fibroids typically don’t disappear on their own, but they often shrink after menopause as hormone levels decline.

Do lifestyle changes help reduce the risk of developing polyps, cysts, and fibroids?

Maintaining a healthy weight, staying physically active, managing stress, and eating a balanced diet can help regulate hormone levels and overall health. While these steps may not completely prevent polyps, cysts, or fibroids, they can contribute to lowering the risk and supporting better long-term wellbeing.

Can polyps, cysts, or fibroids cause the same type of pelvic pain?

Yes, they can sometimes cause similar symptoms. Pelvic pain, pressure, or discomfort may feel alike across these conditions, which can make it difficult to tell them apart based on symptoms alone.

Do hormonal birth control methods affect polyps, cysts, and fibroids the same way?

Hormonal contraception may help regulate menstrual cycles, reduce bleeding, or prevent certain types of cysts. However, the effects can vary depending on the condition and the individual. Your doctor can help determine whether this option is suitable for you.

Can these conditions come back even after treatment?

Yes, polyps, cysts, or fibroids may return, especially if underlying factors such as hormones or genetics are still present. Regular follow-up can help detect any recurrence early and guide further management if needed.

Why don’t you always need to remove polyps, cysts, or fibroids immediately?

Not all growths require immediate treatment. Many are small, harmless, and do not cause symptoms. In these cases, monitoring may be a safe and appropriate approach.

The information provided is intended for general guidance only and should not be considered medical advice. For personalised recommendations and advice based on your unique situation, please consult a specialist at Thomson Medical. Request an appointment with Thomson Medical today.

For more information, contact us:

Thomson Specialists (Women's Health)

Thomson Women's Clinic (TWC)

Request an Appointment