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Find out what a colposcopy is, why it's carried out, what happens and what the results mean.

A colposcopy is a simple procedure used to look at the cervix, the lower part of the womb at the top of the vagina. It's often done if cervical screening finds abnormal cells in your cervix.

These cells aren't harmful and often go away on their own, but sometimes there's a risk they could eventually turn into cervical cancer if not treated.

A colposcopy can confirm whether cells in your cervix are abnormal and determine whether you need treatment to remove them.

This page covers:

When a colposcopy may be needed

What happens

Your result

Treatments to remove abnormal cells

When a colposcopy may be needed

You may be referred for a colposcopy within a few weeks of cervical screening if:

  • some of the cells in your screening sample are abnormal 
  • the nurse or doctor who carried out the screening test thought your cervix didn't look as healthy as it should
  • it wasn't possible to give you a clear result after several screening tests

A colposcopy can also be used to find out the cause of problems such as unusual vaginal bleeding (for example, bleeding after sex).

Try not to worry if you've been referred for a colposcopy. It's very unlikely you have cancer and any abnormal cells won't get worse while you're waiting for your appointment.

What happens during a colposcopy

A colposcopy is usually carried out in a hospital clinic. It takes about 15-20 minutes and you can go home the same day.

During the procedure:

  • you undress from the waist down (a loose skirt may not need to be removed) and lie down in a special type of chair with padded supports for your legs
  • a device called a speculum is inserted into your vagina and gently opened
  • a microscope with a light is used to look at your cervix – this doesn't touch or enter your body
  • special liquids are applied to your cervix to highlight any abnormal areas
  • a small sample of tissue (a biopsy) may be removed for closer examination in a laboratory – this may be a bit uncomfortable

If it's obvious that you have abnormal cells in your cervix, you may have treatment to remove the cells immediately. If this isn't clear, you'll need to wait until you get your biopsy results.

Read more about what happens before, during and after a colposcopy.

Results of a colposcopy

It's often possible to tell you right away if there are any abnormal cells in your cervix. But if you had a biopsy, it may take up to four to eight weeks to get your results in the post.

The result of your colposcopy and/or biopsy will be either:

  • normal – about 4 out of 10 women have no abnormal cells and are advised to continue attending cervical screening as usual
  • abnormal – about 6 out of 10 women have abnormal cells in their cervix and may need treatment to remove them

Your doctor or nurse may use the term CIN or CGIN when discussing your biopsy result. This is this medical name for abnormal cells.

It's followed by a number (for example, CIN 1) that indicates the chances of the cells becoming cancerous. A higher number means a higher risk of cancer developing if the cells aren't removed.

Read more about colposcopy results.

Treatments to remove abnormal cells

Treatment to remove abnormal cells is recommended if there's a moderate or high chance of the cells becoming cancerous if left untreated.

There are several simple and effective treatments that can be used to remove the abnormal cells, including:

  • large loop excision of the transformation zone (LLETZ) – a heated wire loop is used to remove the abnormal cells
  • a cone biopsy – a cone-shaped piece of tissue containing the abnormal cells is cut out from your cervix

LLETZ is usually carried out while you're awake but your cervix is numbed. You can go home the same day.

A cone biopsy is usually done under general anaesthetic (where you're asleep) and you may need to stay in hospital overnight.

Read more about colposcopy treatments.

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Your Neighbourhood Professionals. Just a Click Away! Alexandra Perry Counsellor Origins Spa and Fitness Ltd Walter Clayton Personal Training Cornfield Law LLP Art of Wellbeing
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