Could my pelvic pain be endometriosis?

You might have been dealing with pelvic pain for a while. At first, perhaps it felt like bad period cramps. Unpleasant, but something you could just about manage.

Then it started to change. The pain came earlier, lasted longer, felt deeper, or became harder to explain. You may have found yourself planning around it, cancelling things, or needing more pain relief than you used to.

Many people are told that period pain is normal. Some pain can be. But if pelvic pain is affecting your day-to-day life, or the pattern has changed over time, it is reasonable to ask whether something else could be going on.

One possible cause is endometriosis.

How is endometriosis pain different from normal period pain?

Endometriosis can be difficult to recognise, especially if you have always had painful periods. The difference is not only how strong the pain feels. It is also how it behaves.

Typical period cramps often come and go around bleeding. Endometriosis pain may feel deeper or more persistent. It can start before your period, continue during it, and sometimes linger afterwards.

There are also patterns that can stand out, such as:

• Pain that is not limited to your period
• Symptoms that are gradually getting worse
• Pain during sex
• Pain when opening your bowels or passing urine
• Pelvic pain that starts to affect work, sleep, exercise or social plans

Not everyone experiences endometriosis in the same way. Some people have milder symptoms. Others notice that the pain builds slowly over months or years. Often, it is the change in pattern, rather than pain intensity alone, that makes it worth getting checked.

Why does endometriosis cause pelvic pain?

Endometriosis happens when tissue similar to the lining of the womb grows outside the womb. It may be found on the ovaries, fallopian tubes or other areas within the pelvis.

This tissue still responds to hormonal changes during the menstrual cycle. It can thicken and break down in a similar way to the womb lining. The difference is that this tissue is outside the womb, so the blood and inflammation have nowhere easy to leave the body.

Over time, this can irritate the surrounding tissues. It may lead to inflammation within the pelvis, scar tissue between organs and increased sensitivity of nearby nerves.

That helps explain why endometriosis pain can feel deeper, more constant or less clearly tied to bleeding alone. It can also explain why some people have bowel, bladder or pain during sex alongside period pain.

Why is endometriosis often missed?

Endometriosis is not always obvious at the beginning.

For many people, symptoms build gradually. That can make them easier to explain away, especially if painful periods have been part of life for years. You may start adjusting without noticing how much you are doing it. Taking painkillers earlier. Avoiding plans. Working from bed. Planning your month around when the pain is likely to be worst.

The symptoms can also overlap with other conditions, particularly those affecting the bowel or bladder. Some people are first told they may have irritable bowel syndrome, urinary symptoms or general period pain before endometriosis is considered.

In clinic, the important question is not just “how bad is the pain?” It is also how the pain has changed, when it happens, what comes with it and how much of your life it is starting to take up.

When should I get pelvic pain checked?

You do not need to wait until the pain is severe before asking for help.

It is worth speaking to a GP or gynaecologist if your pelvic pain feels different, persistent or harder to manage than it used to be. A change in pattern is often enough reason to have a conversation.

You should consider getting checked if you notice:

• Pain that affects your ability to function day to day
• Symptoms that happen outside your period
• Pain during sex
• Pain when opening your bowels or passing urine
• Changes in bleeding alongside the pain
• Period pain that is getting worse over time
• Pain that does not improve with usual pain relief

Keeping a simple record of your symptoms can help. Note when the pain happens, where you feel it, what it affects and whether it links to your period, sex, bowel movements or urination. This can make the appointment more focused and help your doctor understand the pattern.

What happens if my doctor suspects endometriosis?

If endometriosis is suspected, the first step is usually a detailed conversation about your symptoms.

Your doctor may ask when the pain started, how it has changed, whether it links to your cycle and whether you have symptoms during sex, bowel movements or urination. They may also ask about fertility plans, as endometriosis can affect fertility for some people.

You may be offered an examination, imaging such as an ultrasound scan, or referral to a gynaecologist or pelvic pain specialist. Sometimes scans are helpful, but a normal scan does not always rule out endometriosis.

Treatment depends on your symptoms, priorities and what is found during assessment. It may include pain relief, hormonal treatments, lifestyle adjustments to help manage triggers, or surgery in some cases to remove endometriosis tissue.

There is not one single treatment that suits everyone. The right plan depends on what you are experiencing and what matters most to you.

Pelvic pain is worth taking seriously

Not all pelvic pain is just period pain.

Sometimes it is linked to normal menstrual changes. Sometimes it has another cause. And sometimes, especially when it becomes more persistent or starts affecting your life, endometriosis may need to be considered.

Getting checked does not mean assuming the worst. It means taking your symptoms seriously enough to understand them. If the pattern has changed, or you feel you are having to organise your life around pain, that is a good enough reason to ask for help.

About the author

Miss Shree Datta is a Consultant Obstetrician and Gynaecologist with over 20 years’ experience in women’s health. Alongside her NHS work, she practises privately at The Lister Hospital, The Portland Hospital for Women and Children, and 25 Harley Street.

Her clinical interests include abnormal periods, menstrual health, fibroids, cervical screening, menopause care, ovarian cysts, endometriosis, and pregnancy care, including delivery. She regularly supports women with cycle-related symptoms and is recognised for her personal, approachable style and commitment to patient-centred care.