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Suspected endometriosis: diagnosis and initial pathway

ACOG 2026 diagnostic guidance for clinical recognition, imaging, presumptive diagnosis and timely shared decisions without mandatory diagnostic surgery.

JurisdictionUnited States
Source check2026-08-20
Clinical reviewiatroX editorial team 路 Clinical editorial review 路 reviewed 2026-08-20 路 due 2027-08-20
AudienceUnited States healthcare professionals
This is an iatroX educational summary of named United States sources, not an official guideline. It does not replace the complete source documents, local policy, specialist advice or clinical judgement. Use the named authority, current FDA labeling, applicable state law, payer rules and local protocol where relevant.

Scope of this summary

Reproductive-aged adults and adolescents with symptoms suggestive of endometriosis. ACOG Clinical Practice Guideline No. 11 addresses diagnosis; its predecessor management bulletin was replaced and a new management guideline was still in development at the source-check date, so detailed drug and surgical sequencing is outside this summary.
sources for this section:ACOG CPG 11

The Bottom Line

  • Consider endometriosis with cyclic or chronic pelvic pain, progressive dysmenorrhea, deep dyspareunia, bowel or bladder symptoms, infertility or an endometrioma, including in adolescents.
  • A presumptive clinical diagnosis can be based on history, examination and imaging; laparoscopy is not required before every patient can receive symptom-directed care.
  • Use transvaginal ultrasound as the usual initial imaging test when appropriate, and use expert ultrasound or MRI when deep disease or specific organ involvement is suspected.
  • A normal examination or routine ultrasound does not exclude superficial endometriosis; persistent characteristic symptoms still warrant a documented plan and shared decision about empiric care or surgery.
  • Center fertility goals, pain, function, treatment burden and patient preference rather than using lesion extent as the sole measure of illness impact.
sources for this section:ACOG CPG 11

Practical clinical workflow

1
Map pain to the menstrual cycle and ask about bleeding, bowel, urinary, sexual, fertility and family history, prior treatments, school or work absence and analgesic exposure.
2
Perform an affirming abdominal and pelvic examination with consent, assessing focal tenderness, reduced mobility, nodularity or a mass while recognizing that examination may be normal.
3
Order targeted pelvic imaging and investigate pregnancy, infection, urinary, gastrointestinal and musculoskeletal alternatives according to the presentation rather than through an indiscriminate panel.
4
Discuss a presumptive diagnosis and symptom-directed treatment while imaging continues, or diagnostic surgery when uncertainty, fertility planning, a mass or treatment failure makes it useful.
5
Refer suspected deep disease, ureteric or bowel involvement, endometrioma, infertility or persistent disabling pain to clinicians with relevant imaging, fertility and surgical expertise.
sources for this section:ACOG CPG 11

Safety boundaries and escalation

  • Acute severe pain, hemodynamic change, fever, peritonism, pregnancy or an adnexal mass requires urgent assessment for ectopic pregnancy, torsion, rupture, infection or hemorrhage.
  • Do not normalize disabling adolescent pain or require years of failed treatment before evaluation; diagnostic delay can compound educational, occupational and psychological harm.
  • Avoid presenting hysterectomy or oophorectomy as a guaranteed cure, and do not use opioids or cannabis as routine disease-directed therapy for chronic gynecologic pain.
  • Any hormonal treatment requires current U.S. MEC eligibility, pregnancy intention and product-label review; diagnostic guidance alone does not establish a universal regimen.
sources for this section:ACOG CPG 11

Localization

ACOG issued a new diagnosis guideline in March 2026 that replaces Practice Bulletin 114 and the adolescent committee opinion. Because updated management guidance was still forthcoming, this page deliberately stops short of a detailed US treatment sequence.
sources for this section:ACOG CPG 11

Source documents

Use the linked source documents for complete recommendations, evidence grading, exclusions and implementation detail.

  1. American College of Obstetricians and GynecologistsDiagnosis of EndometriosisClinical Practice Guideline No. 11 路 published 2026-03-01 路 accessed 2026-08-20
    view source
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