What Is A Smear Test

It's completely normal to have questions if you have a smear test coming up, and being well-informed can help ease any nerves. We're here to explain what a smear test is to help you feel more prepared

A smear test is a medical procedure that checks for abnormal cervical cells. It is sometimes called a pap smear test, cervical smear, cervical screening or cervical cytology, but they all mean the same thing. Smear tests check the health of your cervix (that's the small canal that connects your vagina to your womb) and detect any abnormal changes that could, at some point, turn into cancer. While all of that can sound worrying, it's important to remember that it's not a test for cancer, it's a test to help prevent it. It's very normal to feel nervous about having one, but it's an important thing to do to look after your long-term health. 

We'll break down why smear tests are done and what exactly doctors are looking for during the procedure. Smear tests aren't usually a one-off occasion, so we'll also explain how often people get them done and who might not need an appointment. Every question is valid, and we're here to ease any concerns you may have and ensure you feel supported. 

What Is A Smear Test
What Is A Smear Test
What Is A Smear Test
What Is A Smear Test

What is the purpose of a cervical smear test?

A smear test is done to check if your cervix (the lower end of your womb) is healthy. During the test, the doctor will collect a sample of cells from your cervix, which will be sent off to a lab to be tested.[1] Your smear test results will let you know if any abnormal cells have been found, and if you need to take any further steps or have some additional tests. 
 
It's common to feel nervous about your results, but try not to worry too much. Most smear test results come back normal, and if abnormal cells are detected, it doesn't necessarily mean there is a serious problem. If you are feeling worried, our article on smear test results might help you feel more informed and at ease.

What are they testing for during a smear test?

The sample collected during your smear test will be tested for particular types of human papillomavirus (HPV). HPV is a very common group of viruses that don't cause problems in most people, however some types can cause genital warts or cancer.[2] These are sometimes called "high-risk" types of HPV because they can cause changes to the cells of your cervix. In rare cases, these changes can lead to cervical cancer. Reading the term "high-risk" can be overwhelming, but most smear test results are negative. For those that aren't, there are steps you can take to make sure those cells don't develop into cancer.
 
Some people think that cervical screening programmes test for cancer, but this isn't quite right. Receiving a positive result can be stressful, but try to remind yourself that it doesn't mean you have cancer. Smear tests are a method of prevention, and a positive screening opens up doors for early intervention.[3]

How does a smear test work?

It's completely normal to feel a bit anxious before your appointment, but knowing what to expect during a smear test can help ease some of that anxiety. During your smear test, a doctor or nurse will insert a small, tube-shaped tool called a speculum inside of your vagina to widen your vaginal walls. They might also use some lubricant to help make the process more comfortable. Once the speculum is in the right position, they will open it up to look inside your cervix. They will then insert a small soft-bristled brush into your vagina to collect a sample of your cervical cells.[4]
 
It's a quick procedure that might feel a little cold or uncomfortable, but it shouldn't be painful. However, everyone experiences pain differently. If you are worried, taking paracetamol or ibuprofen before your appointment won't do any harm.[5] 
 

Dealing with anxiety before a smear test

Feeling anxious about a smear test appointment is understandable, and some people might find the process more challenging than others. Our article on what to expect before, during, and after a smear test might provide the reassurance you need.
 
If you are a survivor of sexual violence, these feelings can be particularly overwhelming. It's important to acknowledge your emotions and give yourself the compassion you deserve. If this applies to you, then letting your health provider know can help them help you to avoid any triggers. This might look like a double appointment so you can have enough time and space to go slowly through the appointment, requesting a particular gender of health practitioner (or even one you are already familiar with), or extra support by bringing a friend or loved one with you. 
 
Remember that you're in control, you can and have a right to change your mind at any point and ask for the test to pause or stop entirely. It's your body and you deserve to have boundaries and ask for what you need.

What is HPV?

The cell sample taken during your smear test will be tested for HPV, which is the name of a very common group of viruses. Most of them are harmless, but the high-risk types can, in some rare cases, develop into cancer.[2] This can sound scary, but smear tests are a really effective way of preventing this from happening.

How do you catch HPV?

HPV lives in the skin and is therefore passed from person to person through close skin-to-skin contact. This means that HPV is often spread during sexual activity, but it doesn't have to be penetrative. You can also get HPV from sharing sex toys, engaging in oral sex, or any other type of close skin-to-skin contact.[2]

Is HPV an STI?

While HPV is technically classified as a sexually transmitted infection (STI), it's important to understand that it can remain dormant for many years.[6] This means that either you or your partner might have contracted HPV long before your current relationship. Because HPV can go undetected for such a long time, pinpointing when or from whom it was contracted is often impossible (and unnecessary). 

If your smear test results are positive for HPV, it's natural to feel concerned, but it's reassuring to remember that this is a common virus that many people carry at some point in their lives. [2]

How can I protect myself from HPV?

There are many ways to protect yourself from HPV, and one of the most effective is through vaccination. It's natural to feel a little apprehensive about vaccines, but there's a high chance you have already had it. This vaccine gently helps your body by tricking it into thinking it has been exposed to the virus, encouraging it to create antibodies that can fight HPV. This means that if you ever encounter HPV in the future, your body is already prepared with the defences needed to protect you. [7] 

The HPV vaccine has been shown to reduce cervical cancer rates by 90% for women in their 20s if they had the vaccine at the age of 12 or 13 (before they were sexually active). A smear test provides further protection by detecting HPV in cases where someone hasn't had the vaccine, or it hasn't worked.

In fact, one study has shown that together, HPV vaccination and cervical cancer screening could reduce cervical cancer to the point where nearly no one develops it. [8]This is why it's important to consider having both, as they work hand in hand to provide you with the most effective protection possible.

Who needs a smear test?

Smear tests are important for anyone with a cervix who has been sexually active, regardless of the gender of their partner. It's common to have your first screening around the age of 25, but everyone is unique and some people might have their first smear test slightly earlier or slightly later. 
 
Having a smear test before the age of 25 is less common because it's normal for cervical cells to change naturally during your teens and early 20s. These changes are usually harmless, and in some cases, testing too early might lead to unnecessary treatments. [9]

How often do you have a smear test?

How regularly you are advised to have a smear test will depend on your age bracket and health history. If you're aged 25-49, medical professionals normally recommend you have one every three years. If you're 50-64, it's typically every 5 years. [10]In some countries, you'll be sent a screening invitation letter to remind you to book your appointment.
 
Although the thought of having regular smear tests can feel overwhelming, frequent screenings are most effective for reducing your cervical cancer risk, so it's a good idea to consider having yours. Often, the first one can feel the scariest, and you may feel anxious or uncertain, but remember that healthcare professionals are there to support you and make the experience as comfortable as possible. Over time, many people find that the process becomes easier, and knowing you're taking a proactive step for your health can be reassuring.

Is there anyone who can’t have a smear test?

Aside from people under the age of 25, there are a few other people who aren't advised to have a cervical screening test. Reasons not to have a smear test include:[11]

1. If you are over the age of 65

Once you're above the age of 65, the likelihood that you will develop cervical cancer is very low. This means you'll probably stop being invited for a smear test. 

2. If you have had a miscarriage in the last 3 months

Going through a miscarriage can be a really difficult experience, and it's important you take care of yourself during this time. If this is something you've experienced recently, it's best to reschedule an upcoming smear test. Taking this time allows your body to heal and ensures that you receive the most accurate results.

3. If you're pregnant

Pregnancy can also make it tricky to get clear results, so it can be a good idea to wait for 3 months after giving birth before having a smear test. 

4. If you don't have a cervix

If you don't have a cervix, cervical cancer screening is unnecessary. 

5. If you have symptoms of cervical cancer

It's completely natural to feel worried if you're experiencing symptoms that are unusual for you. If you notice anything like pelvic pain or abnormal bleeding, you don’t have to wait until your next smear test to seek help. Speaking to your doctor as quickly as possible gives them the best chance of catching cervical cancer early. Most of the time, these symptoms are caused by other problems, but it's always better to be safe than sorry. 

6. You're on your period

It's best to book your smear test for when you're not on your period, as heavy bleeding  can sometimes lead to inadequate results.[12] If you're unsure when your next period is, our period tracker can help you predict when it's due. 

Remember, you're not alone in feeling anxious about a smear test, and it's completely normal to have questions and concerns. By staying informed and understanding the process, you are taking a positive step towards protecting your health. Healthcare professionals are there to support you every step of the way, ensuring your experience is as comfortable as possible. Your wellbeing is important, and by attending regular screenings, you're prioritising your health in the best possible way.

To continue learning about taking care of your body, consider signing up to our newsletter.

Medical disclaimer

The medical information in this article is provided as an information resource only and is not to be used or relied on for any diagnostic or treatment purposes. Please consult your doctor for guidance about a specific medical condition. 
 
This article has been reviewed on 6th January 2025 by Karen Joash BSc (Hons), MSc, MBBS, MRCOG PGCert, ILM and MBA, Consultant Obstetrician and Gynaecologist at Queen Charlotte's and Chelsea Hospital. You can find out more about Dr Karen on her Instagram, LinkedIn and X pages. 
 
 
References:

[1]  https://www.webmd.com/women/pap-smear

[2]  https://www.nhs.uk/conditions/human-papilloma-virus-hpv/

[3]  https://www.nhs.uk/conditions/cervical-screening/what-is-cervical-screening/

[4]  https://www.nhs.uk/conditions/cervical-screening/what-happens/

[5]  https://www.bbc.co.uk/news/newsbeat-47452760

[6]   https://www.bbc.co.uk/news/health-45498024

[7]  https://www.cancer.gov/about-cancer/causes-prevention/risk/infectious-agents/hpv-vaccine-fact-sheet

[8]  https://news.cancerresearchuk.org/2021/11/03/the-power-of-science-hpv-vaccine-proven-to-dramatically-reduce-cervical-cancer/

[9]  https://www.cancerresearchuk.org/about-cancer/cervical-cancer/getting-diagnosed/screening/about

[10]  https://www.nhs.uk/conditions/cervical-screening/when-youll-be-invited/

[11]  https://www2.hse.ie/conditions/cervical-screening/who-should-have-cervical-screening/when-screening-is-not-recommended/

[12]  https://phw.nhs.wales/services-and-teams/screening/cervical-screening-wales/frequently-asked-questions-faqs/

Continue Learning

Full range of products

Discover the full range of Bodyform products