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Women's Health Advice

Understanding Endometriosis: Symptoms, Causes & Treatment

Dr Linia Patel

Dr Linia Patel

Women’s Health Dietitian & Performance Nutritionist

  • 10 July, 2025
  • endometriosis
  • Women's Health
  • Diet & Nutrition
  • 5 min read

Learn about endometriosis symptoms, causes, and specialist treatment options to manage pain and improve your wellbeing at our expert London clinics

Endometriosis, a chronic and often debilitating condition affecting millions of women worldwide…

Endometriosis is a complex disorder characterised by the growth of endometrial tissue outside the uterus, resulting in pain, inflammation and potential fertility issues. Despite its prevalence, the condition remains widely misunderstood and remains frequently undiagnosed.

For many, endometriosis is more than just a medical condition – it is a daily struggle that impacts work, relationships, and overall quality of life. The unpredictability of symptoms, including chronic pain, fatigue, and mood changes, can make everyday tasks feel overwhelming. Dr. Linia Patel, Dietitian at Pure Sports Medicine, explains: “Symptoms tend to be worse around menstruation and often include fatigue, bloating, increased period pain, and potential fertility challenges if left untreated.” Moreover, the condition’s unpredictability can result in feelings of frustration and isolation.

This article provides expert insights into endometriosis, helping you understand its causes, symptoms, treatments, and how to better manage the condition.

What causes endometriosis?

There is no single known cause of endometriosis, but several factors may contribute to its development:

  • Retrograde menstruation: some of the womb lining (endometrium) flows backward through the fallopian tubes into the abdomen instead of leaving the body, where the tissue implants itself on organs in the pelvis.
  • Genetics: a family history of endometriosis can increase the likelihood of developing the condition.
  • Immune system factors: the body’s immune system may fail to recognise and remove endometrial-like tissue growing outside the uterus.
  • Circulatory spread: endometriosis cells might travel through the bloodstream or lymphatic system to other parts of the body.
  • Metaplasia: a process in which one type of cell changes into another, potentially causing the formation of endometrial-like tissue outside the uterus.

What are the symptoms of endometriosis?

Endometriosis can manifest differently in each person, with some experiencing no symptoms at all. However, common symptoms include:

  • Severe menstrual pain (dysmenorrhea)
  • Abdominal and pelvic pain
  • Pain during ovulation
  • Pain during or after intercourse
  • Pain when going to the toilet
  • Abnormal or heavy menstrual bleeding
  • Lower back or sacral pain, hip or thigh pain
  • Digestive issues such as diarrhoea, constipation, or bloating
  • Infertility or difficulty conceiving
  • Chronic fatigue

 

Dr. Sarah Rollins adds, “Despite being a Women’s Health Musculoskeletal (MSK) specialist myself, it is important to recognise that making a diagnosis of MSK pain caused by endometriosis is difficult. Tests for the back or hip joint, for example, may yield positive results, even when endometriosis is the underlying cause. This is why careful patient listening is crucial – asking the right questions (which is often missed), conducting the right examination, and interpreting the findings appropriately. Obtaining the appropriate imaging and maintaining a high index of suspicion, particularly in women of the right age who continue to present persistent symptoms despite standard MSK care, is essential for accurate diagnosis.”

How is endometriosis diagnosed?

Seeking a diagnosis for endometriosis can be a long process, with many experiencing delays of more than seven years. This prolonged wait stems partly from the common normalisation of period-related pain, alongside and a lack of awareness among healthcare providers regarding the condition’s symptoms and diagnostic criteria, as well as ongoing societal stigma around gynaecological conditions.

Previously, laparoscopic surgery was considered the definitive way to diagnose endometriosis. However, recent guidelines recommend a non-surgical diagnosis based on symptoms, physical examinations, and imaging techniques such as ultrasound or MRI. A pelvic examination can help assess pain points and identify any abnormalities, which can aid in further investigation and treatment.

How can I manage chronic pain and fatigue resulting from endometriosis?

Managing endometriosis requires a multifaceted approach that combines lifestyle changes with medical support.

Physical activity

Exercise plays a crucial role in managing endometriosis symptoms. Low-impact activities like walking, swimming, and yoga can help reduce pain and improve overall wellbeing.

“Being fit and strong can help women face health issues with more resilience and can empower women to be more mindful of the strength of their own bodies, which allows them to feel like they are in more control and have greater self-efficacy,” states Dr Rollins.

Adapting workouts based on pain levels and symptoms also allows for a sustainable approach to fitness, while minimising discomfort or risk of long-term injuries. Many women find relief and support by joining sports communities, fostering solidarity and reducing feelings of isolation in that they are not alone.

Diet and nutrition

Enhancing overall wellbeing and effectively managing endometriosis symptoms hinges greatly on prioritising nutrition. Embracing an anti-inflammatory diet, rich in fruits, vegetables, whole grains, and omega-3 fatty acids have all been found to help alleviate symptoms, while steering clear of triggers such as caffeine and alcohol can play a key role in symptom mitigation.

Establishing a consistent sleep routine, creating a positive sleep environment, and practicing relaxation techniques before bedtime also ensure much needed rest.

What are the available treatment options?

The cause of endometriosis is not fully understood, and no definitive treatment currently exists. At Pure Sports Medicine, we offer a range of treatments to support individuals with endometriosis:

Physiotherapy

Our expert Physiotherapists can help to provide an accurate diagnosis and will work with you to develop a tailored programme to deliver effective pain management, from reducing pelvic, lower back and hip pain, to alleviating muscle tension and improving blood floor. Our expert team can also offer pelvic floor exercises and tailored mobility exercises to restore movement and reduce pain.

Osteopathy

Our Osteopaths focus on hands-on treatment to restore musculoskeletal function, incorporating techniques such as joint mobilisation, dry needling, and acupuncture to improve circulation and relieve pain.

Pain Management

Through our Pain Management programme, our Consultants work with you to create individualised plans aimed at reducing your pain, enabling rehabilitation and enhancing your quality of life. A comprehensive pain treatment plan may include medications, injections, rehabilitation exercises, including Pilates, alongside other treatments to improve cardiovascular fitness and making stronger, good quality muscles, both of which can reduce whole body inflammation.

Medical Treatments

For those requiring additional medical support, the following may be beneficial: 

  • Nonsteroidal Anti-Inflammatory Drugs (NSAIDs): help reduce pain and inflammation
  • Hormonal Therapy: oral contraceptive pills, ovarian cycle suppression hormones (GnRH antagonists) or progestogens can help to suppress endometrial growth. HRT can also be considered alongside ovarian suppression to protect bone health.
  • Nerve Block Injections: used for severe pain that does not respond to other treatments.
  • Surgical Options: laparoscopic surgery to resect/ablate endometrial lesions, but recurrence is possible. In severe cases, a bilateral oophorectomy (removal of both ovaries) and hysterectomy may be considered. Removing the ovaries is essential, as retaining them would allow endometrial deposits to continue cycling, potentially causing ongoing pain.

 

See more at Endometriosis UK.

Our multidisciplinary focus

Living with endometriosis requires a personalised, multidisciplinary approach that addresses both the physical and emotional aspects of the condition. Support from healthcare professionals, family, friends, and online communities are therefore essential. Advocacy organisations, peer support groups, and sports clinics offer invaluable resources and solidarity for those affected by the condition.

By raising awareness, promoting education, and offering a holistic approach to wellness, we can empower individuals with endometriosis to lead fulfilling lives. At Pure Sports Medicine, we are committed to providing expert care, long-term support, and a community of understanding for those navigating this challenging condition.

Are you looking for help to manage the symptoms of endometriosis? Get in touch today to see how we can help.

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