For the first time, women with endometriosis who want to start a family now have a dedicated fertility pathway tailored specifically to their condition. The UK's National Institute for Health and Care Excellence (NICE) has updated its fertility guidance to include a brand-new section addressing endometriosis, marking a significant shift in how healthcare providers approach fertility treatment for the estimated 1.5 million people in the UK living with this condition .

What Is Endometriosis and Why Does It Affect Fertility?

Endometriosis occurs when tissue similar to the lining of the womb grows in other parts of the body, such as the fallopian tubes, ovaries, and surrounding organs. This misplaced tissue can cause pain, inflammation, and scarring, making it one of the leading causes of fertility problems. Despite affecting millions of people, many have historically faced confusion and inconsistency when trying to access fertility treatment, often being grouped with unexplained infertility despite having a diagnosed condition .

The new NICE guidance recognizes that endometriosis is fundamentally different from other causes of infertility and requires its own distinct approach. This change came directly from feedback during public consultation, where patients and clinicians emphasized that endometriosis was being inappropriately lumped together with unexplained infertility cases, creating barriers to appropriate care .

How Does the New Fertility Pathway Work for Endometriosis?

Under the updated recommendations, healthcare providers will now discuss a range of personalized treatment options with patients who have endometriosis and are trying to conceive. Rather than applying a one-size-fits-all approach, clinicians will take into account individual factors specific to each person's situation .

Steps to Navigate Your Endometriosis Fertility Options

• Expectant Management: Doctors may recommend giving yourself time to try to conceive naturally, depending on how long you have already been trying and your individual circumstances.
• Surgical Treatment: If appropriate, surgical intervention to address endometriosis may be offered in line with existing NICE endometriosis guidelines, helping to improve fertility prospects.
• Fertility Treatments: If expectant management or surgery haven't been successful after two years, or if they aren't suitable options, intrauterine insemination (IUI) or in vitro fertilization (IVF) will be discussed as next steps.

The pathway takes into account several key factors when determining the best approach for each individual, including how long they have been trying to conceive, the severity of their symptoms, their age, their ovarian reserve (the number and quality of eggs), and any male fertility factors that may be present .

Why Did NICE Remove Terms Like "Mild" and "Severe" Endometriosis?

During the consultation process, patients and clinicians told NICE that clinical terms such as "mild" and "severe" endometriosis were misleading and clinically ambiguous. These labels didn't reflect the true complexity of the condition or how it actually impacts fertility. The committee agreed and removed these terms from the final guidance, recognizing that endometriosis affects different people in vastly different ways .

"For too long, women with endometriosis who wanted to start a family have navigated a fertility system that did not fully recognise the distinct challenges their condition presents. This new guidance changes that," stated Eric, a key figure in the guideline development process.

Eric, NICE Committee Member

This shift acknowledges that a person with endometriosis affecting only one area may have very different fertility challenges than someone whose endometriosis involves multiple organs, including the bowel or bladder. The new pathway allows for this complexity to be properly considered in treatment planning .

What Does This Mean for Patients Seeking Fertility Care?

The new guidance supports a shift toward personalized, community-based care that aligns with the NHS 10 Year Health Plan, which aims to move healthcare closer to home and empower patients to make informed decisions about their treatment. By establishing a clear, personalized pathway for endometriosis, the guidance helps ensure that fertility services are better tailored to individual needs, reducing variation in care and supporting equitable access across England .

"Nurses are often the first point of contact for people concerned about their fertility, and they play a vital role in making sure patients feel heard, informed and supported at every step of what can be a deeply emotional journey," explained Lucy Common, nursing adviser at NICE.

Lucy Common, Nursing Adviser at NICE

For many patients, this represents a long-overdue recognition of their needs. Endometriosis UK's State of Endometriosis Care report highlights just how urgent this change was, noting that the average time to diagnosis is 9 years and 4 months, and 11 years for those from ethnically diverse communities. By the time many people reach fertility services, they have already waited far too long .

Why Does Multidisciplinary Care Matter for Endometriosis Fertility?

One important aspect of the new guidance is its recognition that endometriosis can affect multiple body systems and may require input from multiple specialists. Some patients need coordinated care from fertility consultants, endometriosis specialists, and other clinicians such as bowel surgeons, depending on where their endometriosis is located and how it affects their body. The updated guidance supports this joined-up approach, helping ensure that decisions about fertility treatment take the full complexity of the condition into account .

The new NICE guidance also includes other updates, such as stopping fertility clinics from offering unproven add-on treatments and broadening access to NHS-funded fertility preservation beyond cancer patients. These changes work together to create a more evidence-based, patient-centered approach to fertility care across the board .

For anyone with endometriosis who is considering starting a family, this guidance signals that healthcare providers now have a clear, evidence-based framework to have better, more personalized conversations about your options. The days of feeling invisible within the fertility system are beginning to change.