Endometriosis
As common as asthma or diabetes, endometriosis is thought to affect around 1 in 10 women, girls and those registered female at birth.
This page provides information on endometriosis and our work to improve access to healthcare for this health issue.
The following information is based on the lived experiences and priorities expressed to us by our community. If you need medical/health advice, please contact a GP or medical professional. Read our medical disclaimer
What is endometriosis?
- Endometriosis (also called ‘Endo’) is a disease which is affects women, girls and those registered female at birth
- It is thought to affect 1 in 10 women and girls, which makes it as common as diabetes or asthma
- It can affect people of all ages
Endometriosis is when tissue that is similar to the lining of the womb is found elsewhere in the pelvis, on the internal organs, and sometimes other areas in the body.
Endometriosis spots or ‘lesions’ cause localised irritation, bleeding, and inflammation. Over time, scarring and adhesions can develop from the chronic inflammation caused by these lesions. Adhesions (bands of scar tissue) can make organs inside the abdomen stick together and sometimes stop them working properly. They can also cause pain.
Other symptoms of endometriosis can include bloating, fatigue, bowel and bladder problems, rectal bleeding, aching back, legs, pain during sex and internal exams, and infertility. Hormone fluctuations often affect the symptoms. It can take a long time to get a diagnosis.
Endometriosis is a chronic (long-term) health condition but there are treatments available which can help to manage symptoms, such as hormone therapies and different types of pain-relief.
Surgery might also be offered, where ablation (burning the damaged tissue away) or excision (cutting out the damaged tissue) may be used. Outcomes from all of these different treatments can vary from patient to patient.
More information about endometriosis symptoms and treatments can be found on the Endometriosis Cymru website and the NHS Wales website here.
What are we calling for?
Our overall aim is to improve the quality of life for people living with endometriosis
Endometriosis is thought to affect 1 in 10 women and girls, which makes it as common as diabetes or asthma.
Even though it is common, there is a lack of awareness of endometriosis and some of the symptoms may be disregarded as normal and ‘part of being a woman’.
It can take longer for women to seek help and when they do, it can take also take a very long time to get a diagnosis, and start effective treatment, due to a lack of training and knowledge of healthcare professionals.
Because symptoms associated with endometriosis are so often normalised or dismissed, it can be difficult to seek and find support. This is just one of the reasons why there is such a long delay between symptoms starting and getting a diagnosis and treatment. Another reason is inadequate training about endometriosis amongst healthcare providers.
In Wales, the issues with endometriosis care and research are extensive
- Patients with severe endometriosis should be referred to a specialist centre for the condition. Currently, there is only one endometriosis specialist centre available on the NHS in Wales (based in Cardiff) for well over 150,000 women. Referrals from other Welsh health boards to this centre are largely rejected, which goes against NICE guidance, and forces women to pay privately (which for many, is not possible). This results in much needed healthcare becoming a ‘postcode lottery’.
- Globally, there is a general lack of awareness amongst public and healthcare professionals alike, along with very limited research.
- The lack of both research and understanding about the condition contributes to problems reported by many of our members, like ‘medical gaslighting’. This is where patients describe being made to feel like they’re imagining their symptoms. Another problem FTWW members have encountered is myths like ‘severe period pain is normal’, which can add to diagnostic delays. Research undertaken in 2018 by Cardiff University showed that it takes around 8 years and 26 GP appointments to get a diagnosis of endometriosis in Wales, which is more than anywhere else in the UK.
- Currently laparoscopic excision surgery is considered the gold-standard treatment for endometriosis. However, there are long waiting lists for the specialist centres, often extending into years.
- Endometriosis can be difficult to identify and adequately treat, which can lead to repeated surgeries and disease progression, so there needs to be much more research and training for gynaecologists across Wales to avoid this.
- A recent report by Endometriosis UK showed that 94% of those with endometriosis in Wales would have liked psychological support alongside surgical treatment and medical care but were not offered it, compared to the UK average of 90%.
- For some patients, having endometriosis isn’t a problem, and they don’t have many symptoms. For others, it can cause debilitating physical symptoms, including chronic pain and organ dysfunction. Some patients find themselves no longer able to socialise, work, or retain relationships, and some also experience infertility as a result of the disease. Sometimes, patients report experiencing psychological distress, anxiety, and depression as a result.
We need to:
- ensure women feel heard when it comes to their healthcare, so that their symptoms are taken seriously and investigated as quickly as possible
- tackle the taboo, shame and stigma that surrounds a disease involving painful periods and painful bowel movements, because embarrassment can add to delays in seeking healthcare
- encourage investment in research, awareness, and service provision from those in the position to create improvements within our education, health, and care systems.
Our champion: Rachel J

“I was diagnosed with Endometriosis when I was 18 years of age and began volunteering for FTWW in April 2021. It was my lived experience of endometriosis and the challenges of accessing care (and the effect this has on your overall life), combined with the countless stories of other people’s horrific experiences, that fuelled my passion for creating change for endometriosis patients and in general where female health inequalities are concerned.
In 2021, I decided to dedicate myself wholly to creating such change and in trying to find ways to do just that, I found FTWW, and I am so glad I did! FTWW provided so many opportunities for my voice to be heard and for me to begin (and continue) to create change for others.
In January 2023, I began a Health PhD Studentship funded by Health and Care Research Wales at Cardiff University. This PhD will further our understanding of how the endometriosis.cymru website and Symptom Reporting Tool can work to support more timely diagnosis of endometriosis and improve communication between patients and their general practitioners. It is the hope that, in completing this PhD, the worlds of third-sector advocacy and academic research can combine to create further impactful, relevant research for the future.”
What have we achieved?
Our campaign activity to improve the lives of those with endometriosis is extensive. Some of our achievements are outlined below:
We raise awareness through events, media, training and fundraising
- Our champion Rachel is a WCVA Award Winner – Young Volunteer of the Year
- Hosted or co-hosted with Endometriosis UK annual events in the Senedd and online to discuss endometriosis care in Wales
Sponsored the annual Wales ‘EndoMarch’ in Cardiff, Swansea, or Llandudno
Delivered talks on menstrual wellbeing and endometriosis to various organisations and businesses across Wales
Contributed to lots of media coverage of endometriosis in Wales, including the ITV Documentary, ‘Living in Pain’
Presented Patient Perspectives at various medical training events and conferences, including the UK-wide British Society for Gynaecological Endoscopy (BSGE) conference in Newport, South Wales and a UK webinar for gynaecologists, hosted by Braun.
Our champion Rachel hosted/organised a successful fundraising event at her previous workplace for FTWW’s #Yellow4endo event
We take part in consultations, advisory boards and co-production of healthcare
- Our work led to the Welsh Government setting up a Task & Finish Group to evaluate endometriosis care in Wales
- Worked with Cardiff University, NHS Wales, clinicians and patients to coproduce the Endometriosis Cymru website
- We helped to ensure that Welsh Government funds at least one endometriosis nurse in every health board in Wales
- We have co-produced patient-led training for all new Endometriosis Nurses in Wales
- Our champion Rachel is a member of the RCGP Patient Forum
- We have ensured that the Women’s Health Wales Coalition report to the Welsh Government features a chapter on endometriosis.
- We are working with the national clinical Gynaecology Implementation Network in Wales to improve care for patients with non-cancerous gynaecological conditions like endometriosis.
- We have ensured that endometriosis features in both the Welsh Government’s Women’s Health Quality Statement and the NHS Wales 10-year Women’s Health Plan
- We are working with the national clinical Gynaecology Implementation Network in Wales to improve care for patients with non-cancerous gynaecological conditions like endometriosis.
We engage directly with policy makers and researchers
- We have presented endometriosis patient perspectives at Senedd events and inquiries, including the Cross-Party Group on Women’s Health
- We are represented on the Welsh Government’s Period Dignity Roundtable, Chaired by the Cabinet Secretary for Social Justice, Jane Hutt MS, where reducing taboos around conditions like endometriosis is part of the Wales Period Proud Strategy
- We are public partners on the Cardiff University Severe Period Pain Is Not Normal (SPPINN) training course for educators and school nurses, with the aim of improving knowledge of key symptoms of endometriosis in school
Related news and blogs
First Minister commits to establishing specialist endometriosis services for Endometriosis care in Wales
“We recognise the difficulties women face in accessing specialist services for health conditions, particularly surgery for...
Endometriosis: Invite your MS to meet us at The Senedd
March is Endometriosis Action Month, and – alongside our friends at Endometriosis UK – we will be hosting two events that focus on the economic and human costs of living with the condition; as well as the impact on all aspects of life for those living with...
Watch now: Endometriosis Action Month virtual panel in partnership with FTWW
A report from Endometriosis UK in March 2024 revealed that the average diagnosis time in Wales has risen to 9 years and 11 months. This virtual panel event discussed this further and looked at work underway in Wales to address the problem, including the launch of new...
Endometriosis stories
Advocating for yourself or someone else
Many women find it difficult to discuss health issues and seek support, even if these health issues are having a significant impact on their lives.
We're working with our community to develop tools and tips to help women to speak up, and provide guidance for people who would like to support their loved ones, friends, colleagues or patients who are living with health conditions.
Useful links and documents
FTWW's bi-lingual Endometriosis leaflet
This flyer provides a brief overview of our work in this area and why it is needed
The GP’s Role in Improving the Lives of Endometriosis Patients
This poster, designed by FTWW, accepted for display at the annual Royal College of GPs Conference in 2016
Making the Case for Better Endometriosis Treatment in Wales
A report compiled by FTWW
The Welsh Government Endometriosis Task & Finish Group’s 2018 report
A report collated by Mr Richard Penketh, consultant gynaecologist, with support and involvement from FTWW
Women's Health Wales: A Quality Statement for the Health of Women, Girls and those Assigned Female at Birth 2022
Read more about our recommendations to the Welsh Government in this report by the #WomensHealthWales coalition