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Can Cervical Polyps Cause Infertility?

Published on February 21, 2017 by SCRC Contributor
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cervical polyps

When you are struggling to conceive, the most important question is why. There are many potential causes of infertility, ranging from the very simple to the seriously complex, which is why a thorough diagnostic process for both women and men is so important. One relatively common cause of infertility is cervical polyps. The good news is that once discovered, this is an easily treatable condition. Here’s what you need to know about cervical polyps and your fertility.

 

What are cervical polyps?

A cervical polyp is a small growth which occurs at the opening of the cervix, which may protrude into the vagina. These polyps are like a skin tag, often shaped like a fleshy bulb on a thin stalk (which contains the blood supply.) These growths are almost always benign (non-cancerous) and are usually quite tiny, rarely growing larger than 1 or 2cm. While cervical polyps are not dangerous, they can cause trouble, especially for women who are trying to conceive. There are two types of cervical polyps:

  • Ectocervical. Ectocervical polyps grow on the outer surface of the cervix. This type of polyp is usually seen in women who have gone through menopause. Ectocervical polyps are usually wider and shorter in shape.
  • Endocervical. Endocervical polyps grow from glands inside the cervical canal, and tend to occur in women of childbearing age. These polyps generally have a longer stalk.

What causes cervical polyps?

The causes of cervical polyps are not fully understood, but they are often associated with hormone changes in the body: for example, they rarely occur in young women before their first period, and are most common in women in their 40s and 50s who are approaching menopause. They are also more common in women who have been pregnant, but they can happen to anyone. Some of the suspected causes of cervical polyps include:

  • Issues with body’s response to estrogen, which may cause an over-stimulated growth of cervical tissue. A small study carried out in 2011 made connections between uterine polyps (growths appearing in the uterus, rather than on the cervix, but very similar) and estrogen. The researchers found that a considerable number of women with polyps also had polycystic ovarian syndrome (PCOS), a condition related to hormone imbalance (24% vs 8% of the control group.) They also discovered that the body mass index (BMI) of the women with polyps was significantly higher than the women without polyps. Women with more body fat produce higher levels of estrogen.
  • Chronic inflammation. Inflammation (which we recognize as redness and swelling) is a natural immune response to infection or injury. In the short term, it’s a sign that the body is working hard to heal. If inflammation becomes chronic for any reason, it can cause trouble, indicating that the immune system doesn’t know when to stop. Chronic inflammation can cause tissue changes, potentially including cervical polyps. It can be caused by many things, including autoimmune conditions and heart disease. We do know that women with diabetes (an autoimmune disorder) and recurrent vaginitis infections are more prone to polyps: this may indicate the connection between chronic inflammation and cervical polyps.
  • Blocked blood vessels in the cervix. While we associate clogged blood vessels with the heart, they can happen anywhere in the body.  A congested blood vessel can cause inflammation and changes in the cervical cells which result in the growth of a polyp.

What are the symptoms of cervical polyps and how are they diagnosed?

Many cervical polyps cause no symptoms at all, while others may make their presence known with a number of unpleasant issues.

  • Irregular or heavy periods.
  • Spotting between periods or after sexual intercourse, which may be pink, red, or brown.
  • A foul-smelling discharge, caused by a polyp which has become twisted and infected.

For some women, infertility is the only symptom of cervical polyps.

Cervical polyps are usually discovered and diagnosed during a pelvic exam, where they are clearly visible.

How can cervical polyps affect my fertility?

The connection between cervical polyps and infertility sometimes depends on exactly where the polyp is placed. Polyps high up in the cervix can block the opening of the cervix and make it impossible for fertilization to occur. In other cases, the polyp may interfere with the production of cervical mucus. During ovulation, cervical mucus should be thin and slippery to help the sperm on its journey to fertilizing the egg. If the mucus is thick and sticky instead, it can prevent fertilization.

What are the treatment options for someone with cervical polyps?

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The treatment for cervical polyps is straightforward and easy. In most cases, it is not much more involved than a pap smear. Your doctor may give you a local anesthetic, but there are no nerves in the polyp itself, so you are unlikely to feel any pain.

Using a special pair of small forceps called polyp forceps, the doctor will grasp the polyp at its base, and then gently twist and tug to remove the growth. Most patients describe the sensation as uncomfortable, but not painful. If any of the polyp’s stalk remains at the base, the doctor will carefully scrape it away. Finally, they will apply a little surgical paste to stop any bleeding, prevent infection and speed healing.

You may have some slight spotting after the removal, but it is not a reason for concern. If the polyps were the cause of your difficulty conceiving, this simple procedure may be all it takes to restore your fertility. While more than 99% of polyps are benign, the removed polyp will be sent to the lab for screening to ensure that there are no cancerous or precancerous cells present.


Cervical polyps are a great example of why it is so important to seek help when you are having trouble getting pregnant. Finding a Los Angeles fertility doctor you trust and getting a good diagnosis early in the process can save years of stress and heartache. Understanding the problem is the first step to finding a solution, and sometimes, both the diagnosis and the treatment are much simpler than you might imagine.

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