Summary
Definition
History and exam
Key diagnostic factors
- dysmenorrhea
- chronic or cyclic pelvic pain
- dyspareunia
- subfertility
- uterosacral ligament nodularity
- pelvic mass
- fixed, retroverted uterus
- depression
- anxiety
- unable to attend work or school due to dysmenorrhea
Other diagnostic factors
- dysuria, flank pain, hematuria
- dyschezia, hematochezia
Risk factors
- reproductive age group
- white ethnicity
- positive family history
- nulliparity
- low body mass index (BMI)
- mullerian anomalies
- autoimmune disease
- late first sexual encounter
- smoking
- previous cesarean section
Diagnostic tests
1st tests to order
- transvaginal ultrasound
Tests to consider
- rectal endoscopic ultrasound
- 3D ultrasonography
- hysterosalpingography
- MRI pelvis
- diagnostic laparoscopy
Treatment algorithm
immediate fertility not desired: pain without endometrioma or suspected severe/deep disease
immediate fertility not desired: pain with endometrioma or suspected severe/deep disease
immediate fertility desired
Contributors
Authors
M. Jonathon Solnik, MD, FACOG FACS

Professor of Obstetrics, Gynaecology and Medical Imaging by Cross-Appointment
Temerty School of Medicine at the University of Toronto
Head of Gynaecology & Minimally Invasive Surgery
Sinai Health System & Women's College Hospital
Toronto
Canada
Disclosures
MJS is an author of a number of references cited in this topic. He acts as a consultant for AbbVie (manufacturer of depot leuprolide and elagolix), Medtronic, Felix Health and Olympus.
Ari Sanders, MD, FRSCS
Clinical Assistant Professor of Obstetrics and Gynecology
Division of Minimally Invasive Gynecologic Surgery
Department of Obstetrics and Gynecology
Peter Lougheed Centre
University of Calgary
Calgary
Canada
Disclosures
AS acts as a speaker for Abbvie, Hologic, and Bayer. He is an author of one of the articles cited in this topic.
Acknowledgements
Dr M. Jonathon Solnik and Dr Ari Sanders would like to gratefully acknowledge Dr Sharon M. Jakus, a previous contributor to this topic.
Disclosures
SMJ declares that she has no competing interests.
Peer reviewers
Joseph S. Sanfilippo, MD, MBA
Professor
Department of Obstetrics, Gynecology, and Reproductive Sciences
Vice Chairman
Reproductive Sciences
Director
Division of Reproductive Endocrinology and Infertility
University of Pittsburgh
Pittsburgh
PA
Disclosures
JSS declares that he has no competing interests.
Justin C. Konje, MBBS, FMCOG, MRCOG, FWACS, MD, MBA
Professor of Obstetrics and Gynaecology
Leicester Royal Infirmary
Leicester
UK
Disclosures
JCK declares that he has no competing interests.
References
Key articles
Zondervan KT, Becker CM, Missmer SA. Endometriosis. N Engl J Med. 2020 Mar 26;382(13):1244-56. Abstract
Falcone T, Flyckt R. Clinical management of endometriosis. Obstet Gynecol. 2018 Mar;131(3):557-71. Abstract
Hughes E, Brown J, Collins JJ, et al. Ovulation suppression for endometriosis for women with subfertility. Cochrane Database Syst Rev. 2007 Jul 18;(3):CD000155.Full text Abstract
Sutton CJ, Pooley AS, Ewen SP, et al. Follow-up report on a randomized controlled trial of laser laparoscopy in the treatment of pelvic pain associated with minimal to moderate endometriosis. Fertil Steril. 1997 Dec;68(6):1070-4. Abstract
Abbott JA, Hawe J, Clayton RD, et al. The effects and effectiveness of laparoscopic excision of endometriosis: a prospective study with 2-5 year follow-up. Hum Reprod. 2003 Sep;18(9):1922-7.Full text Abstract
Marcoux S, Maheux R, Bérubé S. Laparoscopic surgery in infertile women with minimal or mild endometriosis. Canadian Collaborative Group on Endometriosis. N Engl J Med. 1997 Jul 24;337(4):217-22.Full text Abstract
Reference articles
A full list of sources referenced in this topic is available to users with access to all of BMJ Best Practice.
Differentials
- Adenomyosis
- Interstitial cystitis
- Pelvic inflammatory disease (PID)
More DifferentialsGuidelines
- ACR appropriateness criteria: endometriosis
- Endometriosis: diagnosis and management
More GuidelinesPatient information
Endometriosis: what is it?
Endometrial ablation (diathermy)
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