Surgery for endometriosis-associated infertility: do we exaggerate the magnitude of effect?

B Rizk, Botros Rizk, Rola Turki, R Turki, H Lotfy, Hashem A. Lotfy, S Ranganathan, Sarath Ranganathan, Hanan A. Zahed, H Zahed, A R Freeman, Z Shilbayeh, M Sassy, M Shalaby, Michael Shalaby, R Malik
Facts, views & vision in ObGyn · 2015 · vol. 7(2) , pp. 109–18 · PMID:26177374 · PMC4498168 · W1034485173
article OA: gold CC0 ⤵ 18 in-corpus citations
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⚙ AI-generated summary by claude@2026-06, 2026-06-10 ⓘ

Surgery for endometriosis-associated infertility increases pregnancy rates for minimal, mild, and severe disease, but assisted reproduction is more effective than repeat surgery for those who fail initial treatment.

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Abstract

OBJECTIVE: Surgery remains the mainstay in the diagnosis and management of endometriosis. The number of surgeries performed for endometriosis worldwide is ever increasing, however do we have evidence for improvement of infertility after the surgery and do we exaggerate the magnitude of effect of surgery when we counsel our patients? The management of patients who failed the surgery could be by repeat surgery or assisted reproduction. What evidence do we have for patients who fail assisted reproduction and what is their best chance for achieving pregnancy? MATERIAL AND METHODS: In this study we reviewed the evidence-based practice pertaining to the outcome of surgery assisted infertility associated with endometriosis. Manuscripts published in PubMed and Science Direct as well as the bibliography cited in these articles were reviewed. Patients with peritoneal endometriosis with mild and severe disease were addressed separately. Patients who failed the primary surgery and managed by repeat or assisted reproduction technology were also evaluated. Patients who failed assisted reproduction and managed by surgery were also studied to determine of the best course of action. RESULTS: In patients with minimal and mild pelvic endometriosis, excision or ablation of the peritoneal endometriosis increases the pregnancy rate. In women with severe endometriosis, controlled trials suggested an improvement of pregnancy rate. In women with ovarian endometrioma 4 cm or larger ovarian cystectomy increases the pregnancy rate, decreases the recurrence rate, but is associated with decrease in ovarian reserve. In patients who have failed the primary surgery, assisted reproduction appears to be significantly more effective than repeat surgery. In patients who failed assisted reproduction, the management remains to be extremely controversial. Surgery in expert hands might result in significant improvement in pregnancy rate. CONCLUSION: In women with minimal and mild endometriosis, surgical excision or ablation of endometriosis is recommended as first line with doubling the pregnancy rate. In patients with moderate and severe endometriosis surgical excision also is recommended as first line. In patients who failed to conceive spontaneously after surgery, assisted reproduction is more effective than repeat surgery. Following surgery, the ovarian reserve may be reduced as determined by Anti Mullerian Hormone. The antral follicle count is not significantly reduced. In women with large endometriomas > 4 cm the ovarian endometrioma should be removed. In women who have failed assisted reproduction, further management remains controversial in the present time.

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Condition tags

endometriosisendometriomainfertility

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