Endometriosis Diagnosis: ACOG Issues New Clinical Guidance
- The American College of Obstetricians and Gynecologists (ACOG) recently published its first clinical guidance on diagnosing endometriosis, a chronic inflammatory disorder affecting an estimated 1 in 10 women...
- Currently, individuals with endometriosis often wait between four and 11 years from the onset of symptoms to receive a definitive diagnosis, according to ACOG.
- A key recommendation within the ACOG guidance is a move towards a more presumptive diagnosis based on clinical findings and symptom assessment.
The American College of Obstetricians and Gynecologists (ACOG) recently published its first clinical guidance on diagnosing endometriosis, a chronic inflammatory disorder affecting an estimated 1 in 10 women of reproductive age. The guidance, released on , aims to significantly reduce the substantial diagnostic delay experienced by many patients.
Currently, individuals with endometriosis often wait between four and 11 years from the onset of symptoms to receive a definitive diagnosis, according to ACOG. This delay can have a profound impact on quality of life, allowing the disease to progress, new symptoms to emerge, and healthcare costs to escalate. The new guidance seeks to address this critical gap in care.
A Shift Towards Earlier, Presumptive Diagnosis
A key recommendation within the ACOG guidance is a move towards a more presumptive diagnosis based on clinical findings and symptom assessment. Rather than relying solely on surgical confirmation – typically through pelvic laparoscopy – clinicians are now encouraged to consider endometriosis as a likely diagnosis based on a patient’s reported symptoms and a thorough physical examination. This approach is intended to expedite the process of initiating appropriate treatment and support.
The traditional reliance on surgical findings has been a major contributor to the diagnostic delays. While laparoscopy remains a valuable tool for confirming the diagnosis and assessing the extent of the disease, It’s an invasive procedure with associated risks and costs. By prioritizing clinical assessment, ACOG hopes to reduce the number of unnecessary surgeries and accelerate access to care.
Understanding Endometriosis and its Impact
Endometriosis is characterized by the presence of endometrial-like tissue – the tissue that normally lines the uterus – outside of the uterine cavity. These lesions can occur on various organs, including the ovaries, fallopian tubes, bowel, and bladder. The condition is associated with a range of symptoms, most notably chronic pelvic pain, which can be debilitating. Other common symptoms include painful periods, pain during or after sexual intercourse, infertility, and heavy bleeding.
The impact of endometriosis extends far beyond physical pain. Patients often experience significant emotional distress, anxiety, and depression. The chronic nature of the condition and the lengthy diagnostic journey can lead to feelings of frustration, isolation, and hopelessness. The ACOG recognizes the importance of addressing these psychosocial aspects of the disease alongside the physical symptoms.
Rising Incidence and the Need for Improved Care
Recent data indicate a concerning trend of increasing endometriosis diagnoses. A study by Epic Research found a 32% increase in diagnoses between and , rising from 24.9 diagnoses per 10,000 patients to 32.8 per 10,000. While the reasons for this increase are not fully understood, it underscores the urgent need for improved awareness, earlier diagnosis, and more effective treatment options.
ACOG President Steven J. Fleischman, MD, MBA, FACOG, emphasized the importance of the new guidance, stating that it is hoped clinicians will “feel comfortable following the evidence to diagnose endometriosis clinically and initiate treatment more quickly when appropriate.” He also highlighted the potential for earlier diagnosis to help patients access needed clinical care faster and find support through patient education resources and support groups.
What the Guidance Entails
The ACOG’s Clinical Practice Guideline 11, “Diagnosis of Endometriosis,” provides detailed recommendations on the clinical, imaging, and surgical evaluation and diagnosis of the condition. The guideline was developed by a team of experts in obstetrics and gynecology and reproductive endocrinology and infertility, and is based on a comprehensive review of the available medical literature, including evidence from Cochrane Library, EMBASE, PubMed, and MEDLINE, as well as a review of the National Institute for Health and Care Excellence (NICE) evidence review on endometriosis diagnosis and management.
Recommendations within the guideline are classified by strength and evidence quality, and include Ungraded Good Practice Points to provide guidance when formal recommendations are not possible due to limited evidence. The guidance is applicable to both adult and adolescent patients, with considerations for the unique needs of adolescents.
Looking Ahead
The release of this diagnostic guidance is just the first step in ACOG’s comprehensive effort to improve endometriosis care. The organization is also developing additional guidance on the management of endometriosis, which is expected to be released in the near future. This holistic approach – addressing both diagnosis and treatment – reflects a commitment to providing patients with the best possible care and improving their quality of life.
Access to the full clinical guidance is available on the ACOG website: https://www.acog.org/clinical/clinical-guidance/clinical-practice-guideline/articles/2026/03/diagnosis-of-endometriosis.