Cervical cancer: symptoms, causes, stages, diagnosis, treatment and survival

Cervical cancer develops in the cervix, the lower part of the uterus that connects to the vagina. It is one of the cancers that can often be prevented through HPV vaccination and regular cervical screening. When cervical cancer is detected early, treatment can be highly effective and, in many cases, curative.

One of the biggest challenges is that cervical cancer often does not cause noticeable symptoms in its early stages. This is why screening matters even when you feel completely well.

The good news is that cervical cancer usually does not develop suddenly. Persistent infection with certain high-risk types of human papillomavirus (HPV) is responsible for almost all cervical cancers, and the progression from persistent HPV infection through precancerous changes to invasive cancer generally takes many years.

Understanding the warning signs, risk factors, screening tests and treatment options can help you know when to seek medical advice.

What is cervical cancer?

Cervical cancer occurs when abnormal cells in the cervix begin multiplying uncontrollably and eventually form a cancerous growth.

The cervix is located at the lower end of the uterus and forms the connection between the uterus and vagina. Most cervical cancers begin in cells lining the cervix.

Before invasive cancer develops, cells can undergo precancerous changes. These changes may be detected through cervical screening and treated before they become cancer. This makes cervical cancer particularly suitable for prevention and early detection.

What is the main cause of cervical cancer?

The main cause of cervical cancer is persistent infection with high-risk human papillomavirus, or HPV.

HPV is extremely common and is usually transmitted through sexual contact. Most HPV infections do not cause cancer. In fact, the immune system clears or controls most infections naturally. However, when a high-risk HPV infection persists for years, it can cause abnormal changes in cervical cells. Some of these changes can eventually progress to cancer.

Importantly, having HPV does not mean that you have cervical cancer. It means that appropriate follow-up and screening may be needed depending on the HPV type and test results.

What causes 90% of cervical cancer?

This question can be confusing because different statistics are sometimes quoted.

Almost 99% of cervical cancers are linked to high-risk HPV infection. Certain HPV types account for a very large proportion of cases. HPV types 16 and 18 alone are responsible for approximately 70% of cervical cancers worldwide, while the high-risk types covered by newer HPV vaccines account for roughly 90% of cervical cancer cases.

So, the most accurate answer is that persistent infection with high-risk HPV is the overwhelming underlying cause of cervical cancer.

What are the risk factors for cervical cancer?

The most important risk factor is persistent infection with a high-risk HPV type. Other factors can increase the likelihood that an HPV infection will persist or that cervical cell changes will progress.

These include:

• Not receiving HPV vaccination
• Having multiple sexual partners or a partner with multiple sexual partners, mainly because this increases the likelihood of HPV exposure
• Becoming sexually active at a younger age
• Smoking
• Having a weakened immune system
• HIV infection
• A history of certain sexually transmitted infections
• Long-term use of oral contraceptive pills may be associated with a modestly increased risk
• Having had multiple full-term pregnancies

The risk factors such as smoking, multiple sexual partners, early sexual activity and a weakened immune system, should therefore be understood mainly in the context of HPV exposure and persistence rather than as independent causes of cervical cancer.

Having one or more risk factors does not mean that someone will develop cervical cancer. Conversely, a person without obvious risk factors can still develop it.

What are my first signs of cervical cancer?

Early cervical cancer often has no symptoms at all. This is one of the most important things to understand about the disease.

When symptoms do occur, some of the first signs can include:

• Vaginal bleeding after sexual intercourse
• Bleeding between menstrual periods
• Periods that become unusually heavy or prolonged
• Vaginal bleeding after menopause
• Unusual watery or bloody vaginal discharge
• Pelvic pain
• Pain during sexual intercourse

These symptoms do not automatically mean cervical cancer. Infections, hormonal changes, fibroids, polyps and other conditions can cause similar symptoms.

However, unusual or persistent vaginal bleeding should not be ignored, particularly bleeding after sex or after menopause.

What are the symptoms of stage 1 cervical cancer?

Stage 1 cervical cancer is cancer that is confined to the cervix. It is further divided into stages such as IA and IB according to the size and depth of invasion.

There is no single symptom pattern that identifies stage 1 cervical cancer. In fact, some people have no symptoms at all.

When symptoms are present, they may include:

• Bleeding after intercourse
• Bleeding between periods
• Heavier or longer periods
• Unusual vaginal discharge
• Pelvic discomfort
• Pain during intercourse

Some very early cancers may only be discovered through screening or examination.

That is why waiting for symptoms is not a good approach to cervical cancer prevention.

What are the 7 warning signs of cervical cancer?

There is no medically recognised list of exactly seven symptoms that every person with cervical cancer experiences. However, these are seven important warning signs worth knowing:

1. Bleeding after sex
2. Bleeding between periods
3. Bleeding after menopause
4. Unusual, watery, bloody or foul-smelling vaginal discharge
5. Pelvic pain or persistent lower abdominal discomfort
6. Pain during sexual intercourse
7. More advanced symptoms, such as back pain, leg swelling, painful urination, blood in the urine or difficulty with bowel movements

Early cervical cancer may cause none of these symptoms, so regular screening remains important.

How fast can cervical cancer start?

Cervical cancer generally does not develop within a few days or weeks.

According to the World Health Organization, it usually takes approximately 15–20 years for cervical cancer to develop after an HPV infection, although the timeline can be shorter in some individuals, particularly when immune function is impaired or other risk factors are present.

The process generally involves:

HPV infection → persistent high-risk HPV infection → cervical cell changes → precancer → invasive cervical cancer

Not every HPV infection follows this pathway. Most infections clear or become controlled by the immune system.

This long progression is one reason cervical screening can be so effective: it can identify precancerous changes before they become invasive cancer.

How to test for cervical cancer?

Testing depends on whether you are being screened routinely or whether you already have symptoms or an abnormal screening result.

HPV test

An HPV test checks cervical cells for high-risk types of HPV associated with cervical cancer.

Pap test

A Pap test, also called a Pap smear or cervical cytology, examines cervical cells for abnormal changes.

HPV and Pap testing

Depending on age, risk factors and national screening recommendations, HPV testing, Pap testing or a combination may be used.

Colposcopy

If screening results are abnormal, a healthcare professional may recommend colposcopy. This involves examining the cervix under magnification.

Biopsy

If an abnormal area is identified, a small tissue sample may be taken and examined under a microscope. A biopsy is generally required to confirm cervical cancer.

Can I check for cervical cancer at home?

You cannot reliably diagnose cervical cancer yourself at home.

In some healthcare systems, HPV self-sampling is available for cervical screening. This involves collecting a sample yourself for HPV testing. However, availability, eligibility and follow-up procedures vary by country and screening programme.

An at-home HPV test is also not the same thing as an at-home cancer diagnosis. A positive HPV result does not mean you have cancer, and symptoms such as abnormal bleeding still require professional assessment.

If you have symptoms, do not rely on a home test to decide whether you need medical attention.

Can cervical cancer be seen on ultrasound?

An ultrasound can sometimes show an abnormality involving the cervix or surrounding pelvic organs, particularly when a tumour is larger. It can also be useful for evaluating pelvic symptoms and assessing other possible causes.

However, ultrasound is not the primary screening test for cervical cancer and cannot reliably rule it out.

If cervical cancer is suspected, doctors may use pelvic examination, HPV or Pap testing, colposcopy and biopsy. Imaging such as MRI, CT or PET-CT may subsequently be used to assess the extent of disease and help with staging.

So, a normal ultrasound does not necessarily mean that cervical cancer is absent.

Is cervical cancer 100% curable?

No cancer can honestly be described as 100% curable in every patient.

However, cervical cancer can be highly treatable, particularly when detected early. The World Health Organization states that cervical cancer can be cured when it is detected early and treated promptly.

The chance of successful treatment depends on factors such as:

• Stage at diagnosis
• Tumour size
• Whether lymph nodes are involved
• Whether the cancer has spread to distant organs
• Type of cervical cancer
• Overall health
• Response to treatment

This is why early detection makes such a significant difference.

Can cervical cancer be treated?

Yes. Cervical cancer can be treated, and treatment is selected according to the stage and individual circumstances.

For very early cervical cancer, treatment may involve procedures such as conization or surgery.

For other early-stage cancers, surgery may involve removing the cervix, uterus or surrounding tissues depending on the circumstances. Fertility-sparing procedures may be possible for carefully selected patients.

For more advanced disease, treatment may include:

• Radiation therapy
• Chemotherapy
• Chemoradiation
• Targeted therapy
• Immunotherapy

A combination of treatments may be recommended.

The treatment plan should be determined by a gynaecologic oncologist or appropriate cancer specialist after complete staging.

What is the survival rate for cervical cancer?

Survival statistics depend heavily on the stage at diagnosis and should not be used to predict exactly how long an individual person will live.

According to current U.S. SEER data, the overall 5-year relative survival for cervical cancer is about 68.8%. However, the difference by stage is substantial.

For cervical cancer that is localized, meaning confined to the area where it started, the 5-year relative survival is approximately 91.8%. For cancer that has spread to regional lymph nodes or nearby structures, the figure is about 64.0%, while distant metastatic disease has a 5-year relative survival of approximately 20.5%.

These are population statistics, primarily from the United States, and individual outcomes can be very different. Improvements in screening and treatment also mean that survival statistics may change over time.

How long can you live with cervical cancer without treatment?

There is no reliable number of months or years that applies to everyone.

Untreated cervical cancer can continue to grow and may eventually spread to nearby tissues, lymph nodes or distant organs. The speed of progression varies depending on the cancer, its stage, tumour biology and the individual’s overall health.

Some cancers progress more slowly, while others can become advanced relatively quickly.

The important point is that suspected cervical cancer should not be left untreated in the hope that it will remain stable. Early diagnosis generally provides more treatment options and a better chance of successful treatment.

What is the 2 week rule for cervical cancer?

The “two-week rule” is primarily associated with the UK’s urgent suspected cancer referral system. It means that someone with symptoms that could indicate cancer may be referred for an urgent specialist appointment or investigation, generally with the aim of being assessed within two weeks.

Being referred under a two-week pathway does not mean that you have cancer. Most people referred urgently do not ultimately receive a cancer diagnosis.

The specific referral pathway differs between countries. Therefore, patients in India should follow the recommendations of their doctor and local healthcare system rather than waiting for a particular two-week timeframe.

If you experience unexplained bleeding, unusual discharge or other concerning symptoms, arrange an assessment promptly.

How can cervical cancer be prevented?

Cervical cancer is one of the cancers for which prevention can make a major difference.

HPV vaccination

HPV vaccination protects against the HPV types responsible for many cervical cancers. Vaccination works best when given before exposure to HPV, but recommendations for catch-up vaccination vary according to age and country.

Regular screening

Screening can identify high-risk HPV infection or abnormal cervical cells before cancer develops. Depending on the screening programme, this may involve HPV testing, Pap testing or both.

Do not ignore abnormal bleeding

Bleeding after sex, bleeding between periods or bleeding after menopause should be assessed rather than repeatedly dismissed as a normal variation.

Avoid smoking

Smoking is associated with a higher risk of cervical cancer and can interfere with the body’s ability to clear HPV.

Practise safer sex

Condoms can reduce, although not completely eliminate, the risk of HPV transmission and other sexually transmitted infections.

The importance of regular cervical screening

Cervical screening is not simply a test for cancer. Its major purpose is to identify HPV infection and precancerous cell changes early, when intervention can prevent cancer from developing.

This is particularly important because early cervical cancer may have no symptoms.

Screening recommendations vary according to age, previous test results, vaccination status, risk factors and the guidelines followed in your country. Your gynaecologist or healthcare provider can advise you about the appropriate screening schedule.

When should you see a doctor?

You should arrange a medical evaluation if you experience:

• Bleeding after intercourse
• Unexplained bleeding between periods
• Any vaginal bleeding after menopause
• Persistent or unusual vaginal discharge
• Pelvic pain
• Pain during sex
• Persistent urinary, bowel or back symptoms associated with other concerning changes

Do not wait for symptoms to become severe.

At the same time, remember that these symptoms are not specific to cervical cancer. Many common and treatable conditions can cause them. The purpose of an examination is to determine the actual cause.

Frequently asked questions about cervical cancer

What are my first signs of cervical cancer?

Early cervical cancer often has no symptoms. When symptoms occur, abnormal vaginal bleeding, particularly bleeding after sex, between periods or after menopause, is an important warning sign. Unusual vaginal discharge and pelvic or sexual pain can also occur.

What is the main cause of cervical cancer?

Persistent infection with high-risk HPV is the main cause of cervical cancer. Almost all cervical cancers are linked to high-risk HPV infection.

What is the survival rate for cervical cancer?

The current overall 5-year relative survival reported by SEER is approximately 68.8%. For localized cervical cancer, it is about 91.8%. Individual prognosis depends on stage and other factors.

What are the symptoms of stage 1 cervical cancer?

Stage 1 cervical cancer may cause no symptoms. If symptoms occur, they can include abnormal vaginal bleeding, unusual discharge, pelvic pain or pain during intercourse.

Is cervical cancer 100% curable?

No cancer is 100% curable in every person. However, cervical cancer detected early can often be treated successfully and may be cured.

How fast can cervical cancer start?

Cervical cancer generally develops slowly. WHO notes that it usually takes around 15–20 years for cervical cancer to develop after HPV infection, although individual cases can vary.

Can cervical cancer be treated?

Yes. Treatment can include surgery, radiation therapy, chemotherapy, targeted therapy and immunotherapy, depending on the stage and individual circumstances.

How to test for cervical cancer?

Screening may involve an HPV test, Pap test or both. Abnormal results may lead to colposcopy and biopsy. A biopsy is generally needed to confirm cancer.

Can I check for cervical cancer at home?

You cannot diagnose cervical cancer at home. HPV self-sampling may be available as a screening option in some healthcare systems, but a positive HPV test does not mean you have cancer and symptoms still require professional assessment.

Can cervical cancer be seen on ultrasound?

A larger cervical tumour may sometimes be visible on ultrasound, but ultrasound is not a definitive screening or diagnostic test for cervical cancer. Further evaluation, including cervical examination and biopsy when indicated, is needed.

What is the 2 week rule for cervical cancer?

It refers mainly to the UK’s urgent suspected cancer referral pathway, designed to help people with potentially concerning symptoms receive prompt specialist assessment. It does not mean that the person has cancer.

How long can you live with cervical cancer without treatment?

There is no fixed timeframe. Untreated cervical cancer can progress and spread, but the speed varies between individuals. Prompt diagnosis and treatment are important because early-stage disease generally has a much better outlook.

Final thoughts

Cervical cancer can be frightening, but it is also one of the cancers where prevention, screening and early treatment can make an enormous difference.

Persistent high-risk HPV infection is the main cause, but HPV infection itself is common and usually does not become cancer. Regular screening can identify changes before they become invasive disease, while HPV vaccination can prevent infection with important cancer-causing HPV types.

Most importantly, do not ignore unusual vaginal bleeding, bleeding after sex, bleeding after menopause or persistent abnormal discharge. These symptoms have many possible causes, but getting them checked promptly is always the safer approach.

If cervical cancer is detected, the stage matters greatly. Early-stage disease can often be treated successfully, which is why screening and timely medical evaluation remain so important.

To get yourself tested, call Sparsh Diagnostic Centre on 9830117733.

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Disclaimer:

No content on this site, regardless of date, should ever be used as a substitute for direct medical advice from your doctor or other qualified clinician.