Gynaecological cancers can affect different parts of your reproductive system, so symptoms can vary. You may notice changes in your periods, vaginal bleeding, discharge, pelvic or abdominal symptoms, bladder or bowel changes, or changes to your vulval skin.
Most people with symptoms such as pelvic pain, bloating or irregular bleeding will not have cancer, as conditions such as fibroids, endometriosis, ovarian cysts and menopause-related changes can cause similar problems. However, you should arrange an assessment when symptoms are new, persistent, unexplained or worsening, particularly bleeding after menopause, unusual vaginal bleeding, frequent or persistent abdominal bloating, or a new vulval lump, ulcer or unexplained bleeding.
What Are Gynaecological Cancers?
Gynaecological cancers include cancers of the womb, ovaries, cervix, vulva and vagina, and each can cause different symptoms. Womb cancer usually starts in the endometrium. Ovarian cancer affects the ovaries, cervical cancer the cervix, vulval cancer the vulva and vaginal cancer the vagina.
You may notice overlapping symptoms such as unusual bleeding, pelvic discomfort or changes in vaginal discharge. However, the warning signs can vary depending on where the cancer starts, so persistent or unusual changes should be assessed by your GP or gynaecologist.
How Can Warning Signs Differ Between Gynaecological Cancers?
Symptoms can overlap, and having one of these symptoms does not mean that you have cancer. The table shows some of the changes that may prompt further assessment.
| Type of cancer | Possible warning signs | Important point |
| Womb or endometrial cancer | Bleeding after menopause, bleeding between periods, unusually heavy bleeding or changes in vaginal discharge | Postmenopausal bleeding should always be medically assessed |
| Ovarian cancer | Persistent or frequent abdominal distension/bloating, feeling full quickly, loss of appetite, pelvic or abdominal pain and increased urinary urgency or frequency | Symptoms are more concerning when they are persistent or frequent rather than occasional |
| Cervical cancer | Unusual vaginal bleeding, bleeding after sex, changes in discharge, pain during sex or pelvic pain | Cervical screening does not replace assessment of new symptoms |
| Vulval cancer | Persistent itching, unexplained lump, ulcer, bleeding or changes in vulval skin | Persistent skin changes should be examined rather than repeatedly treated as thrush |
| Vaginal cancer | Vaginal lump, persistent ulcer or skin change, unusual bleeding, blood-stained discharge or pain during sex | Vaginal cancer is uncommon, but unexplained persistent changes still require assessment |
NHS guidance lists unusual bleeding and discharge among key womb and cervical cancer symptoms, while persistent vulval lumps, ulcers, bleeding and skin changes are recognised vulval warning signs.
Abnormal Vaginal Bleeding
Unusual vaginal bleeding is an important symptom for you to have assessed, including bleeding between periods, after sex, after menopause or a significant change in your usual periods. You may have a benign cause such as polyps, fibroids, hormonal contraception or infections, but abnormal bleeding can also occur with some gynaecological cancers.
You should note when the bleeding occurs, how much there is and whether it relates to sex or your menstrual cycle. Even light spotting can provide useful information, so you should speak to your GP about an unexplained change rather than waiting for the bleeding to become heavy.
Bleeding After Menopause
Postmenopausal bleeding means vaginal bleeding that occurs more than 12 months after your periods have stopped because of menopause. You should speak to your GP about any postmenopausal bleeding, even if it happens only once or consists only of light spotting or pink or brown discharge.
Most people assessed for postmenopausal bleeding do not have cancer, as vaginal or womb-lining changes and polyps are common causes. You may be offered a transvaginal ultrasound, and depending on the findings, you may also need a hysteroscopy or biopsy to identify the cause.
Bleeding Between Periods or After Sex
Bleeding between your periods can have several non-cancerous causes, including hormonal contraception, infections and polyps. You should arrange an assessment if the bleeding is unexplained, keeps returning or becomes different from your usual cycle.
You should also speak to your GP about unexplained bleeding during or after sex, as causes can include vaginal dryness, cervical ectropion, infections or polyps. You should not wait for your next cervical screening appointment, as screening is not designed to investigate symptoms you already have.
Changes in Vaginal Discharge
Your vaginal discharge can naturally change throughout your menstrual cycle, but you should arrange an assessment if it becomes persistent, blood-stained or noticeably different in colour, smell or consistency. Common causes include bacterial vaginosis, thrush, sexually transmitted infections and hormonal changes.
You should also seek advice when discharge occurs with bleeding, pain or other unexplained symptoms, as some gynaecological cancers can cause these changes. Avoid repeatedly treating yourself for an infection if symptoms are not improving, as you may need an examination and appropriate swabs to identify the cause.
Persistent Abdominal Bloating
Persistent or frequently recurring abdominal distension or bloating can be associated with ovarian cancer, particularly when it is new for you and happens frequently rather than occasionally. You may notice that your abdomen feels continuously swollen or that your clothes around the waist feel tighter than usual.
Digestive conditions, constipation, hormonal changes and food intolerances can also cause bloating, so you should not assume that it means you have cancer. However, you should arrange an assessment if bloating is persistent or frequent rather than repeatedly putting it down to your diet.
Feeling Full Quickly or Losing Your Appetite
Feeling full after eating only a small amount can sometimes be linked to ovarian cancer, particularly when it is persistent and unusual for you. You may notice that meals you previously ate comfortably now make you feel full much sooner.
You may also experience reduced appetite alongside bloating, abdominal swelling or pelvic discomfort, although digestive and other non-cancerous conditions can cause similar symptoms. You should mention these changes to your GP, particularly when they persist or occur together without an obvious explanation.
Pelvic or Abdominal Pain
Pelvic or abdominal pain can have many common causes, including endometriosis, adenomyosis, fibroids, ovarian cysts and bladder or bowel problems. You may also experience similar pain from muscular or pelvic floor conditions, so pain alone does not mean you have cancer.
Ovarian, cervical or womb cancers can sometimes cause persistent pelvic or abdominal discomfort, particularly alongside unusual bleeding. You should arrange an assessment if your pain is new, persistent or frequently recurring, becomes progressively worse or is different from your usual symptoms.
Changes in How Often You Pass Urine
You may notice that you need to pass urine more often or feel a sudden urgency, and these symptoms can sometimes occur with ovarian cancer. More commonly, urinary tract infections, overactive bladder, pelvic organ prolapse and menopause-related changes can cause similar problems.
You should arrange an assessment if increased urinary urgency or frequency is new, persistent or frequently recurring without an obvious explanation. It is particularly important when urinary changes occur alongside persistent bloating, pelvic pain or feeling full quickly, as your GP may need to investigate the cause.
Evidence Note
NICE highlights persistent or frequent abdominal bloating, feeling full quickly or losing your appetite, pelvic or abdominal pain and increased urinary urgency or frequency as symptoms that may warrant investigation for ovarian cancer. These symptoms are particularly relevant when they occur frequently for example, more than around 12 times a month and especially in people aged 50 and over.
These symptoms are common and often have non-cancerous causes, so they should not be interpreted as a diagnosis of ovarian cancer. What matters is whether they are new, persistent or occurring more often than is normal for you.
Changes in Bowel Habits
Changes in bowel habits can occur alongside ovarian-cancer symptoms, but constipation, irritable bowel syndrome, medicines, diet, endometriosis and pelvic-floor problems are much more common causes.
You should arrange an assessment when a bowel change is new, persistent and unexplained. Blood in your stool, significant weight loss or an ongoing change in bowel habits also needs medical attention because bowel and gynaecological conditions may both need to be considered.
Persistent Vulval Itching
Occasional vulval itching can be caused by irritation, thrush, dermatitis or other skin conditions. You should arrange an examination if the itching persists, keeps returning or does not improve with appropriate treatment, especially if you notice changes to your skin.
Vulval cancer can sometimes cause ongoing itching, although more common conditions are usually responsible. You should avoid repeatedly using thrush treatment without confirming the cause, as conditions such as eczema, lichen sclerosus, infection or other vulval problems may need specific treatment.
Vulval Lumps, Ulcers or Skin Changes
Changes to your vulval skin are often caused by non-cancerous conditions, but persistent or unexplained changes should still be examined. You should pay particular attention to new areas that do not heal, continue to change or cause bleeding or discomfort.
- New Lumps or Growths: Arrange an assessment if you notice a new lump, swelling or wart-like growth on your vulva.
- Persistent Ulcers: An ulcer or sore that does not heal should be examined rather than monitored indefinitely.
- Skin Colour Changes: Red, white or darker patches may need assessment, particularly if they are new or changing.
- Bleeding or Irritation: Unexplained bleeding, persistent itching or soreness should be discussed with a healthcare professional.
Most vulval changes are not caused by cancer, but an examination can help identify the underlying condition. Your clinician may recommend treatment, monitoring or occasionally a small biopsy if the cause is not clear.
Vaginal Lumps, Ulcers or Persistent Symptoms
You should arrange an assessment if you notice a vaginal lump or unexplained ulcer, even though vaginal cancer is rare. You may also experience bleeding after sex or menopause, blood-stained or unpleasant-smelling discharge, persistent itching, pain during sex or changes in how often you pass urine.
These symptoms are much more commonly caused by benign conditions, so they do not mean you have cancer. However, you should not continue observing a persistent lump, ulcer or other unexplained change without having it examined.
Pain During Sex
Pain during sex can have many causes, including vaginal dryness, infections, pelvic floor tension, endometriosis, adenomyosis or ovarian conditions. You may feel pain around the vaginal entrance or deeper within your pelvis, and you should mention it if it keeps happening.
Cervical or vaginal cancers can sometimes cause pain during sex, particularly when you also have unexplained bleeding or abnormal discharge. You should tell your clinician where the pain occurs, how often it happens and whether you experience bleeding afterwards so the cause can be assessed.
Unexplained Weight Loss and Persistent Fatigue
You may lose weight or feel unusually tired for many reasons, and these symptoms do not specifically mean you have gynaecological cancer. However, you should arrange an assessment if you are losing weight without changing your diet or activity, or if fatigue persists without an obvious explanation.
You should tell your GP if weight loss or significant tiredness occurs alongside pelvic pain, persistent bloating, appetite changes or unusual bleeding. Your clinician can consider the symptoms together and investigate possible causes such as anaemia, thyroid problems, nutritional deficiencies or other health conditions.
When Several Symptoms Occur Together
One vague symptom can be difficult to interpret, but several persistent changes together may give your GP a clearer reason to investigate. You should mention symptoms such as frequent bloating, pelvic pain, feeling full quickly or urinary urgency, particularly when they are new for you.
You should also discuss abnormal bleeding when it occurs with unusual discharge or pelvic discomfort rather than assuming it is due to hormonal changes. Keeping a short record of your symptoms, including dates, bleeding patterns, appetite changes, bloating and pain, can help your clinician understand how they are changing.
Why Cervical Screening Does Not Replace Symptom Assessment
Cervical screening is designed to detect high-risk HPV and cervical cell changes that could develop into cancer. You should remember that screening is a preventive test and is not designed to investigate symptoms you are already experiencing.
A previous normal screening result is reassuring, but you should still seek medical advice for unexplained bleeding, discharge or pelvic pain. You should not wait for your next screening appointment if you develop bleeding after sex, between periods or after menopause.
UK Guidance Note
NICE uses specific criteria to decide when someone should enter an urgent suspected-cancer pathway. For example, unexplained postmenopausal bleeding in people aged 55 and over that is not attributable to HRT should lead to a suspected endometrial-cancer referral. An unexplained vulval lump, ulceration or bleeding can also prompt an urgent referral, as can an unexplained palpable mass in or at the entrance to the vagina.
For cervical cancer, symptoms such as bleeding after sex or between periods need medical assessment, but they do not automatically mean an urgent cancer referral is required. NICE specifically recommends considering a suspected-cancer pathway referral when examination shows that the appearance of the cervix is consistent with cervical cancer.
When Do Symptoms Need Urgent Medical Attention?
Symptoms that could be linked to cancer do not usually mean you need A&E immediately. You should contact your GP for persistent bloating, unusual bleeding, vulval changes or pelvic discomfort so they can assess your symptoms and arrange an urgent referral if appropriate.
You should seek urgent medical care if you develop extremely heavy bleeding, fainting, sudden severe pelvic pain, breathing difficulty or rapidly worsening symptoms. Severe pain when pregnancy is possible also needs prompt assessment, as an ectopic pregnancy can be an emergency.
What Happens When You Seek Medical Advice?
Your GP will ask about your symptoms, periods, menopause status, medicines and medical history. You may also have an abdominal or pelvic examination, blood tests, infection testing or an ultrasound depending on your symptoms.
For persistent symptoms that suggest ovarian cancer, current NICE guidance uses age-based testing. People aged 40 and over may have a CA125 blood test, with age-specific thresholds used to decide whether an urgent abdominal and pelvic ultrasound is needed. People aged 39 and under with persistent symptoms should have an abdominal and pelvic ultrasound rather than relying on CA125 alone. Postmenopausal bleeding and concerning cervical, vulval or vaginal changes may also require further examination, imaging or biopsy.
Myth vs Fact
| Myth | Fact |
| Unusual vaginal bleeding means you probably have cancer. | Fibroids, polyps, hormonal changes, infections and menopause-related conditions are much more common causes, but unexplained bleeding still needs assessment. |
| Bleeding after menopause can be ignored if it happens only once. | Any postmenopausal bleeding should be medically assessed, even if it is light spotting or happens once. |
| A normal cervical screening result means you cannot have cervical cancer. | Cervical screening reduces risk but is not designed to investigate new symptoms, so unusual bleeding or discharge still needs assessment. |
| Persistent bloating is always caused by digestive problems. | Digestive conditions commonly cause bloating, but new, persistent or frequent bloating is also one of the symptoms NICE highlights for possible ovarian cancer assessment. |
| A raised CA125 result means you have ovarian cancer. | CA125 can be raised for non-cancerous reasons, and current NICE guidance interprets the result alongside age, symptoms and ultrasound findings. |
| Persistent vulval itching is always thrush. | Thrush is one possible cause, but skin conditions and, less commonly, vulval cancer can also cause persistent itching. |
| You need to have several cancer symptoms before seeing a doctor. | A single unexplained or persistent symptom such as postmenopausal bleeding, a vulval lump or an unusual vaginal mass may be enough to require assessment. |
Key Takeaways
- Most symptoms associated with gynaecological cancer have non-cancerous causes, but new, persistent or unexplained changes should still be assessed.
- Unusual vaginal bleeding, including bleeding between periods or after sex, should be discussed with a healthcare professional.
- Any vaginal bleeding after menopause should be medically assessed, even if it happens only once or is only light spotting.
- Persistent or frequent bloating, feeling full quickly, pelvic or abdominal pain and increased urinary urgency or frequency can be associated with ovarian cancer.
- Current NICE guidance uses age-specific CA125 thresholds for people aged 40 and over with persistent possible ovarian-cancer symptoms.
- Cervical screening is a preventive test and does not replace assessment of new symptoms such as unexplained bleeding or discharge.
- Persistent vulval itching, a new lump, ulcer, bleeding or unexplained skin change should be examined.
- An unexplained vaginal mass also requires appropriate assessment.
- Having one warning sign does not mean that you have cancer, but persistent symptoms should not simply be self-treated or ignored.
- Sudden severe pain, very heavy bleeding, fainting or rapidly worsening illness needs urgent medical assessment rather than a routine appointment.
Frequently Asked Questions
1. What are the most common warning signs of gynaecological cancer?
Common warning signs can include unusual vaginal bleeding, bleeding after menopause, persistent bloating, pelvic or abdominal pain, unexplained changes in vaginal discharge and persistent vulval itching or skin changes. These symptoms are often caused by non-cancerous conditions, but new or persistent changes should be assessed by a healthcare professional.
2. Does abnormal vaginal bleeding mean you have gynaecological cancer?
No. Abnormal bleeding can have many causes, including fibroids, polyps, hormonal changes, infections and menopause-related vaginal changes. However, bleeding between periods, after sex or after menopause should be discussed with your GP so the cause can be identified.
3. When should you see a doctor about possible gynaecological cancer symptoms?
You should arrange an assessment when symptoms are new, persistent, unexplained or becoming worse. Seek medical advice for unusual bleeding, persistent bloating, pelvic pain, unexplained weight loss, changes in vaginal discharge or a new vulval or vaginal lump, ulcer or skin change.
4. Can you have gynaecological cancer with normal cervical screening results?
Yes. Cervical screening is designed to detect high-risk human papillomavirus and cervical cell changes rather than diagnose every type of gynaecological cancer. You should still seek medical assessment for symptoms such as unexplained bleeding, persistent discharge or pelvic pain even if your previous cervical screening result was normal.
5. What should you do if you have several possible warning signs?
You should arrange an assessment with your GP rather than trying to determine the cause yourself. Keeping a brief record of symptoms such as bleeding, bloating, pain, appetite changes and urinary or bowel changes can help your clinician understand how long the symptoms have been present and whether they are becoming more frequent.
Final Thoughts: When Should You Seek Help for Gynaecological Symptoms?
Most symptoms associated with gynaecological cancer have other, more common explanations, so experiencing one of these changes does not mean you have cancer. However, you should not ignore symptoms that are new, persistent or unusual for you, particularly unexplained bleeding, bleeding after menopause, persistent bloating, pelvic pain or changes to your vulval or vaginal skin.
If you are concerned about your symptoms, our team at Gynaecology Clinic London can discuss your concerns, explore possible causes and advise whether further investigation or treatment may be appropriate. Having an assessment does not necessarily mean that you have cancer, but it can help clarify what may be causing your symptoms and guide the next steps in your care.
References:
- National Institute for Health and Care Excellence (2015, updated 2026) ‘Suspected cancer: recognition and referral’. NICE guideline NG12. Published 23 June 2015; last updated 15 April 2026. Available at: https://www.nice.org.uk/guidance/ng12
- National Institute for Health and Care Excellence (2012, updated 2026) ‘Quality statement 2: CA125 blood test – age-specific thresholds’. Ovarian cancer. NICE quality standard QS18. Published 21 May 2012; last reviewed 15 April 2026. Available at: https://www.nice.org.uk/guidance/qs18/chapter/quality-statement-2-ca125-blood-test-age-specific-thresholds
- NHS (2026) ‘Symptoms of menopause and perimenopause’. Page last reviewed 19 May 2026. Available at: https://www.nhs.uk/conditions/menopause-and-perimenopause/symptoms/
- NHS (2024) ‘Symptoms of cervical cancer’. Page last reviewed 4 September 2024. Available at: https://www.nhs.uk/conditions/cervical-cancer/symptoms/
- NHS (2025) ‘Symptoms of vulval cancer’. Page last reviewed 28 April 2025. Available at: https://www.nhs.uk/conditions/vulval-cancer/symptoms/
- NHS (2023) ‘Symptoms of vaginal cancer’. Page last reviewed 7 November 2023. Available at: https://www.nhs.uk/conditions/vaginal-cancer/symptoms/
- NHS (2025) ‘When you’ll be invited for cervical screening’. Page last reviewed 26 June 2025. Available at: https://www.nhs.uk/tests-and-treatments/cervical-screening/when-youll-be-invited/