Understanding Uterine Polyps

What Are Uterine Polyps?

Uterine polyps, also called endometrial polyps, are growths that develop from the lining of the uterus, known as the endometrium. They are usually benign (noncancerous) and may range in size from only a few millimeters to several centimeters. A person may have a single polyp or multiple polyps within the uterine cavity.

Although many uterine polyps never cause symptoms, others may contribute to abnormal uterine bleeding, irregular menstrual cycles, bleeding between periods, or fertility challenges. Because polyps develop within the uterine cavity, their location may affect embryo implantation more than their size alone.

Many uterine polyps are discovered during evaluation for infertility or abnormal bleeding. Others are found incidentally during pelvic imaging performed for unrelated reasons. Whether treatment is recommended depends on the patient’s symptoms, reproductive goals, age, and the size and location of the polyp.

Most uterine polyps are benign. However, because a small percentage may contain precancerous or cancerous cells, fertility specialists and gynecologists often recommend removal or additional evaluation in selected patients, particularly after menopause or when abnormal bleeding is present.

Common Uterine Polyp Symptoms

Many people with uterine polyps experience no symptoms at all. When symptoms occur, they often involve changes in menstrual bleeding or reproductive health.

Common symptoms may include:

• Irregular menstrual periods
• Heavy menstrual bleeding
• Bleeding between menstrual periods
• Bleeding after menopause
• Difficulty becoming pregnant
• Recurrent pregnancy loss in some patients

Because these symptoms may also be caused by fibroids, adenomyosis, hormonal disorders, or other gynecologic conditions, additional evaluation is often necessary to determine whether a uterine polyp is responsible.

What Causes Uterine Polyps?

The exact cause of uterine polyps is not fully understood. Researchers believe they develop when cells within the endometrial lining grow more than expected, resulting in localized overgrowth of endometrial tissue.

Several factors may increase the likelihood of developing uterine polyps, including:

• Increasing age during the reproductive years
• Exposure to estrogen
• Obesity
• High blood pressure
• Use of certain medications, such as tamoxifen

Although these factors have been associated with uterine polyps, many people who develop polyps have no obvious risk factors.

Uterine Polyps & Fertility

Whether a uterine polyp affects fertility depends largely on its size and location. Because polyps grow within the uterine cavity, they may interfere with embryo implantation or alter the environment needed to support early pregnancy.

Some studies suggest that removing uterine polyps before fertility treatment may improve pregnancy outcomes in appropriately selected patients. However, not every polyp requires removal, and treatment recommendations should always be individualized.

Potential ways uterine polyps may influence fertility include:

• Changing the shape of the uterine cavity
• Reducing the available surface for embryo implantation
• Contributing to localized inflammation
• Interfering with normal endometrial function

Many patients with uterine polyps become pregnant naturally. A fertility specialist can help determine whether a polyp is likely contributing to infertility or whether another reproductive factor is more significant.

Uterine Polyps & Implantation

Successful embryo implantation requires a healthy, receptive uterine lining. Because uterine polyps project into the endometrial cavity, they may interfere with the normal interaction between the embryo and the uterine lining in some patients.

The effect of a polyp depends on several factors, including its size, number, location, and whether it alters the shape of the uterine cavity. Small polyps discovered incidentally may have little or no effect on fertility, while larger polyps or those located near the area of embryo implantation may warrant treatment before attempting pregnancy or IVF.

For patients preparing for embryo transfer, fertility specialists often evaluate the uterine cavity to identify conditions such as uterine polyps, fibroids, adhesions, or congenital uterine differences that could affect implantation.

How Uterine Polyps Are Diagnosed

Evaluation begins with a review of symptoms, menstrual history, reproductive goals, and medical history. Imaging studies help confirm the diagnosis and determine the number, size, and location of any polyps.

Diagnostic evaluation may include:

• Transvaginal ultrasound
• Saline infusion sonography (saline sonogram)
• Hysteroscopy
• Endometrial biopsy in selected patients

Hysteroscopy allows physicians to directly visualize the uterine cavity and is often considered the most accurate method for diagnosing uterine polyps. In many cases, diagnosis and treatment can occur during the same procedure.

Uterine Polyp Treatment Options

Treatment depends on symptoms, reproductive goals, menopausal status, and the characteristics of the polyp. Small, asymptomatic polyps may simply be monitored, while symptomatic polyps or those suspected of affecting fertility are often removed.

Treatment options may include:

• Observation with follow-up evaluation
• Hysteroscopic polypectomy (surgical removal of the polyp)
• Medical management in selected situations

Hysteroscopic polypectomy is a minimally invasive procedure performed through the cervix without external incisions. The procedure allows physicians to remove the polyp while preserving the uterus and is commonly recommended for patients experiencing abnormal bleeding or preparing for fertility treatment.

Uterine Polyps & Pregnancy

Many people with uterine polyps have healthy pregnancies. When polyps are believed to interfere with implantation or contribute to recurrent pregnancy loss, treatment before conception may be recommended depending on the individual’s reproductive history and fertility goals.

If a uterine polyp is discovered during fertility evaluation, your fertility specialist will consider your age, ovarian reserve, treatment history, and the characteristics of the polyp before recommending observation or removal. Because every patient’s situation is different, treatment decisions are individualized rather than based solely on the presence of a polyp.

When to See a Fertility Specialist

Although many uterine polyps never affect fertility or require treatment, evaluation by a fertility specialist may be appropriate if you are trying to conceive, preparing for IVF, or experiencing symptoms that could affect reproductive health.

You may benefit from a fertility evaluation if you:

• Have been trying to conceive without success.
• Have experienced recurrent pregnancy loss.
• Are preparing for IVF or embryo transfer.
• Have abnormal uterine bleeding along with fertility concerns.
• Have a uterine polyp identified during fertility testing.
• Have previously undergone treatment for uterine polyps but continue to experience infertility.

A comprehensive fertility evaluation looks beyond the presence of a uterine polyp alone. Fertility specialists evaluate ovarian reserve, ovulation, sperm health, uterine anatomy, and other reproductive factors to determine whether the polyp is likely contributing to infertility or whether another condition should also be addressed.

At Spring Fertility, treatment recommendations are individualized based on each patient’s reproductive history, fertility goals, and the characteristics of the uterine polyp. For some patients, observation may be appropriate. For others, removing the polyp before attempting pregnancy or embryo transfer may improve the uterine environment.

Common Questions About Uterine Polyps

What are uterine polyps?

Uterine polyps are growths that develop from the lining of the uterus (the endometrium). Most are benign (noncancerous) and vary in size from only a few millimeters to several centimeters.

Are uterine polyps cancerous?

Most uterine polyps are benign. However, a small percentage may contain precancerous or cancerous cells, particularly after menopause. Your physician may recommend removal or additional evaluation depending on your age, symptoms, and medical history.

Can uterine polyps cause infertility?

Some uterine polyps may interfere with fertility by altering the uterine cavity or affecting embryo implantation. Whether a polyp contributes to infertility depends on its size, location, and other reproductive factors.

Can you get pregnant with uterine polyps?

Yes. Many people with uterine polyps become pregnant naturally. Not every polyp affects fertility, and many pregnancies occur without treatment. Your fertility specialist can determine whether a polyp is likely affecting your ability to conceive.

Can uterine polyps affect IVF?

Depending on their size and location, uterine polyps may interfere with embryo implantation during IVF. Some fertility specialists recommend removing polyps before embryo transfer if they are believed to reduce the likelihood of successful implantation.

What symptoms do uterine polyps cause?

Symptoms may include irregular menstrual bleeding, heavy periods, bleeding between periods, bleeding after menopause, or fertility challenges. Some patients experience no symptoms at all.

How are uterine polyps diagnosed?

Diagnosis commonly involves transvaginal ultrasound, saline infusion sonography (saline sonogram), hysteroscopy, or other imaging studies that allow physicians to evaluate the uterine cavity.

What is hysteroscopic polypectomy?

Hysteroscopic polypectomy is a minimally invasive procedure used to remove uterine polyps through the cervix without external incisions. It is commonly performed on an outpatient basis and allows the uterus to be preserved.

Do uterine polyps grow back after removal?

Yes. Although many patients never develop another polyp, recurrence is possible. Your physician may recommend follow-up evaluation if symptoms return.

Can uterine polyps cause miscarriage?

Some studies suggest that certain uterine polyps may contribute to implantation problems or pregnancy loss, although this depends on the size, location, and characteristics of the polyp as well as other reproductive factors.

Should every uterine polyp be removed?

No. Small polyps that are not causing symptoms or fertility concerns may simply be monitored. Treatment decisions depend on symptoms, reproductive goals, age, and the findings of your fertility evaluation.

Can uterine polyps disappear on their own?

Some small polyps may regress without treatment, particularly before menopause. Others remain stable or gradually increase in size over time.

How long does it take to recover after polyp removal?

Recovery following hysteroscopic polypectomy is usually brief. Most patients return to normal activities within a day or two, although your physician will provide recommendations based on your individual procedure.

Can uterine polyps return after pregnancy?

Yes. Pregnancy does not prevent new uterine polyps from developing. Recurrence varies from person to person and depends on several factors.

When should I see a fertility specialist about uterine polyps?

You should consider consulting a fertility specialist if you have been diagnosed with uterine polyps and are having difficulty becoming pregnant, have experienced recurrent pregnancy loss, are planning IVF, or have concerns about how a polyp may affect your fertility. An individualized evaluation can help determine whether treatment is appropriate.

Learn More About Uterine Polyps

Although uterine polyps are common and often benign, their effect on fertility differs from one patient to another. A comprehensive fertility evaluation can help determine whether a polyp is contributing to abnormal bleeding, infertility, or implantation challenges and whether treatment is appropriate.

At Spring Fertility, our board-certified reproductive endocrinologists evaluate uterine health, ovarian reserve, reproductive history, and overall fertility to develop personalized recommendations that support your family-building goals.

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Common Questions About Uterine Polyps

What are uterine polyps?

Uterine polyps are growths that develop from the lining of the uterus, called the endometrium. Most uterine polyps are benign (noncancerous) and may occur as a single polyp or multiple polyps. While many cause no symptoms, others may contribute to abnormal bleeding or fertility concerns.

Are uterine polyps cancerous?

Most uterine polyps are benign. However, a small percentage may contain precancerous or cancerous cells, particularly in people who are postmenopausal or experiencing abnormal uterine bleeding. Polyps removed during surgery are often sent for laboratory evaluation.

What causes uterine polyps?

The exact cause is not fully understood. Researchers believe uterine polyps develop when cells within the endometrial lining grow excessively. Hormonal factors, particularly estrogen, are thought to contribute to their development.

Can uterine polyps cause infertility?

Some uterine polyps may interfere with fertility, particularly if they alter the shape of the uterine cavity or affect embryo implantation. Not every polyp affects fertility, and many people with uterine polyps conceive naturally.

Can uterine polyps affect embryo implantation?

Yes. Depending on their size and location, uterine polyps may reduce the available surface for embryo implantation or alter the environment within the uterine cavity. Your fertility specialist can determine whether a polyp is likely to affect implantation.

Can uterine polyps affect IVF success?

Some uterine polyps may reduce implantation rates during IVF if they distort the uterine cavity. In certain situations, removing a polyp before embryo transfer may improve the uterine environment, although recommendations vary based on each patient’s circumstances.

Can you get pregnant naturally with uterine polyps?

Yes. Many patients with uterine polyps become pregnant without treatment. Whether a polyp affects natural conception depends on its size, location, and whether other fertility factors are present.

What symptoms do uterine polyps cause?

Symptoms may include irregular menstrual bleeding, heavy periods, bleeding between periods, bleeding after menopause, or infertility. Some people experience no symptoms and learn they have a polyp during routine imaging or fertility evaluation.

How are uterine polyps diagnosed?

Uterine polyps are commonly diagnosed using transvaginal ultrasound, saline infusion sonography (saline sonogram), or hysteroscopy. These tests allow physicians to evaluate the uterine cavity and determine the size and location of any polyps.

What is hysteroscopic polypectomy?

Hysteroscopic polypectomy is a minimally invasive procedure used to remove uterine polyps through the cervix using a hysteroscope. It does not require external incisions and is commonly performed as an outpatient procedure.

Should every uterine polyp be removed?

No. Treatment depends on symptoms, fertility goals, menopausal status, and the characteristics of the polyp. Small polyps that are not causing symptoms may simply be monitored, while symptomatic polyps or those affecting fertility are more likely to be removed.

Can uterine polyps come back after removal?

Yes. Although many patients never develop another polyp, recurrence is possible. Regular gynecologic care helps monitor for new symptoms or recurrent polyps if they occur.

Can uterine polyps cause miscarriage?

Some uterine polyps may contribute to implantation problems or increase the risk of pregnancy loss in certain patients, particularly when they significantly alter the uterine cavity. Your fertility specialist can determine whether a polyp is likely contributing to recurrent pregnancy loss.

How long does recovery take after polyp removal?

Recovery following hysteroscopic polypectomy is typically brief. Most patients return to normal daily activities within one or two days, although recovery recommendations vary depending on the procedure performed.

When should I see a fertility specialist about uterine polyps?

You should consider consulting a fertility specialist if you have uterine polyps and are having difficulty becoming pregnant, have experienced recurrent pregnancy loss, are preparing for IVF, or have concerns that a uterine polyp may be affecting your fertility. A comprehensive fertility evaluation can help determine whether treatment is appropriate.