07/28/2025 10:10 a.m.

Endometriosis Causes Symptoms and Treatment Explained

Dr. Niels van de Roemer
Dr. Niels van de Roemer Medical Adviser

Endometriosis, a common and chronic condition, occurs when the tissue that normally lines the uterus unexpectedly grows outside this region. These abnormal developments can cause a range of symptoms and seriously affect the quality of life of affected women. Millions of women around the world suffer from this condition, which has both physical and psychological effects. This article aims to provide a deeper understanding of the causes, symptoms and treatment options of endometriosis.

Life with Endometriosis

Endometriosis: what is it all about?

Endometriosis comes into play when the tissue that typically lines the uterus grows in places outside of it. This tissue, called endometrium, can occur in different places in the body such as the ovaries, fallopian tubes, abdomen or other organs. The exact causes of this complex disease are not fully understood, but it is believed that hormonal, genetic and immunological factors may contribute to the development of endometriosis.

UNDERSTANDING ENDOMETRIOSIS

When the body becomes a burden

The symptoms of endometriosis are as varied as they are individual. The most common include

Pain

  • Severe, cramp-like menstrual pain
  • Chronic abdominal pain, also outside of the period
  • Pain during sex (dyspareunia)
  • Pain with bowel movements or urination
  • Heavy or irregular bleeding
  • Unfulfilled desire to have children

The invisibility of the disease not only makes diagnosis difficult, but often leads to a lack of social understanding. On average, it takes between six and ten years in Germany before an endometriosis diagnosis is made. During this time, many sufferers repeatedly experience rejection, misdiagnosis or their symptoms being played down - both in their private environment and in the medical field.

But pain is not normal. Severe menstrual cramps, chronic abdominal pain or pain during sexual intercourse should never simply be accepted. They are an important warning signal from the body. Women who regularly suffer from such complaints should seek medical advice at an early stage.

Causes and Development

What are the causes of endometriosis?

While the causes of endometriosis are not yet fully understood, there are several theories that suggest hormonal, genetic and immunological factors may play a role.

Hormonal factors

During the menstrual cycle, the body undergoes complex hormonal regulation. It is thought that hormonal changes, particularly an imbalance between estrogen and progesterone, may promote the abnormal growth of endometrial tissue outside the uterus. This excess tissue can then colonize various sites in the body and cause inflammatory responses.

Genetic factors

In addition to hormonal factors, genetic aspects also play a role in the development of endometriosis. There is evidence that certain genetic changes may increase the risk for endometriosis.

Immunological factors

The immune system also plays an important role, as it should normally recognize and eliminate abnormal tissue. However, in women with endometriosis, there appears to be a malfunction of the immune system that results in the abnormal uterine tissue not being completely removed.

Diagnosis

A long way to clarity

Endometriosis is usually diagnosed through a combination of history, physical examination and imaging tests such as ultrasound. Here are some common diagnostic methods:

Overview of examination methods:

  • Anamnesis: Detailed discussion about symptoms, menstrual cycle, family history
  • Gynaecological palpation: During the physical exam, the doctor may palpate the lower abdomen to look for any changes or painful areas. Other tests may also be performed, such as a rectal or vaginal exam, to accurately assess the condition.
  • Vaginal ultrasound: Visualisation of larger cysts (endometriomas)
  • MRI or CT: If deep infiltrating endometriosis is suspected. Imaging tests such as transvaginal ultrasound can help visualize changes in the pelvic area. Other imaging techniques such as magnetic resonance imaging (MRI) or computed tomography (CT) may also be used to make a more accurate assessment.
  • Laparoscopy: Minimally invasive laparoscopy with diagnosis and tissue removal - the gold standard. Definitive detection of endometriosis is often confirmed by a laparoscopy, medically known as laparoscopy. This involves a minor surgical procedure in which a thin tube with a camera (laparoscope) is inserted through a small incision in the belly button. The doctor can view the inside of the abdomen and look for signs of endometriosis. If needed, tissue samples can also be taken during the laparoscopy to make an accurate diagnosis.

Only by combining these methods can the disease be reliably diagnosed and an individual treatment plan drawn up.

THERAPY OPTIONS

Relieve pain

There is currently no cure for endometriosis - but various approaches can alleviate symptoms and improve quality of life. The combination of several therapies, tailored to individual needs, often shows the best results.

Drug treatment

  • Painkillers (NSAIDs): e.g. ibuprofen for inflammation
  • Hormone therapy: e.g. gestagens, GnRH analogues to inhibit tissue growth

Surgical therapy

  • Laparoscopic removal of the foci
  • Removal of adhesions
  • In severe cases: Removal of the uterus

Fertility treatment

  • Hormonal stimulation
  • In vitro fertilisation (IVF)

Complementary medical methods

  • Dietary changes
  • Acupuncture
  • Phytotherapy (e.g. monk's pepper)
  • Heat wraps, exercise, osteopathy
  • TCM

Endometriosis and diet

An anti-inflammatory diet can measurably alleviate the symptoms:

  • More vegetables, omega-3 fatty acids and fibre
  • Less sugar, gluten and processed foods
  • Avoid alcohol and caffeine

Psychological effects

Psychotherapeutic support, exchanges in self-help groups or professional pain coaching can provide emotional relief and stabilisation. Many sufferers report

  • Exhaustion
  • Depression
  • Anxiety disorders
  • Social withdrawal
ENDOMETRIOSIS AND PREGNANCY

An underestimated hurdle

It is estimated that around every second woman with endometriosis has difficulties getting pregnant. There are many reasons for this: adhesions and blockages in the fallopian tubes can obstruct the egg's path to the uterus, while cysts on the ovaries can impair ovarian function. In addition, chronic inflammatory processes in the abdominal cavity can impair the quality of the eggs and make implantation in the uterine lining more difficult.

The earlier endometriosis is recognised and treated, the better the chances of pregnancy. Specialised clinics and experienced reproductive physicians offer targeted support - from hormonal therapies to artificial insemination. For many women who want to have children, a personalised treatment plan can make all the difference.

Myths about endometriosis

  • ‘It's just a heavy period’ - False. Endometriosis is a serious disease.

  • ‘Only older women are affected’ - False. Teenagers can also get the disease.

  • ‘Pregnancy cures the problem’ - Myth. Temporary relief is possible, not a cure.

  • ‘You can't see anything, so it's psychological’ - Invisible does not mean imaginary.

Education is the first step towards acceptance and better care.

Endometriosis is a chronic disease that is physically, emotionally and socially stressful. However, with the right diagnosis, a personalised treatment plan and a supportive environment, a self-determined life can be possible.

Every woman deserves to be taken seriously and treated - before the pain takes over her everyday life.

CYCLE OBSERVATION

Regaining control

With methods such as Daysy, NFP or cycle apps, sufferers can better understand their symptoms in connection with their hormonal cycle. The benefits:

  • Clarity about your own body
  • Optimisation of medical treatments
  • Targeted family planning if you want to have children

Sources

Broschüre des Endometriosezentrums des Uniklinikums Erlangen: https://www.uk-erlangen.de/fileadmin/dateien/content_pool_dateien/infobroschueren/UEZ_endometriose_broschuere.pdf

Tu FF et al: The influence of prior oral contraceptive use on risk of endometriosis is conditional on parity, Fertility and Sterility, Volume 101, Issue 6, 2014, Pages 1697-1704, https://doi.org/10.1016/j.fertnstert.2014.02.014

Endometriose-Vereinigung Deutschland e.V.: https://www.endometriose-vereinigung.de/sefzertifizierte-endometriosezentren.html

Stiftung Warentest (2021): Medikamente bei Endometriose: https://www.test.de/medikamente/krankheit/endometriose-k265/

Endometriose-Vereinigung (2021): https://www.endometriose-vereinigung.de/literaturtipps.html#schmerzen

Interdisziplinäre S2k-Leitlinie (2020): https://www.endometriose-vereinigung.de/files/endometriose/015-045l_S2k_Diagnostik_Therapie_Endometriose_2020-09.pdf

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