Abstract
Endometriosis-related infertility remains a therapeutic challenge. A burning issue in this field of research is determining whether pre-assisted reproductive technology (ART) surgery may be of some benefit in terms of reproductive outcomes. This systematic review and meta-analysis aimed at comparing ongoing pregnancy rates (OPR) and/or live birth rates (LBR) in patients who underwent endometriosis surgery before ART (IVF/ICSI) in comparison with patients who underwent first-line ART (IVF/ICSI). Searches were conducted from January 1990 to June 2021 on PubMed, Embase, and Cochrane Library using the following search terms: endometriosis, surgery, reproductive outcomes, and IVF/ICSI. The primary outcomes were OPR or LBR. A total of 19 studies were included in the meta-analysis. No statistically significant differences in LBR [0.91[0.63, 1.30]; I2 = 66%; n = 11], OPR [1.28[0.66, 2.49]; I2 = 60%; n = 3], and early pregnancy loss rate [0.88[0.62, 1.25]; I2 = 0%; n = 7] per cycle were found when comparing patients who underwent endometriosis surgery before IVF/ICSI and those who did not. After the exclusion of the studies with high risks of bias, the LBR per cycle was significantly reduced in the case of surgical treatment before IVF/ICSI [0.53[0.33, 0.86]; I2 = 30%; n = 4]. These data urge the clinician to carefully weigh the pros and cons before referring infertile patients with endometriosis to surgery before IVF, highlighting the key role of multidisciplinary referral centers.
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Acknowledgements
We thank the Inter-university Library of Medicine (BIUM) of Paris for methodological support. We thank Dr. Garcia Velasco, Dr. Maignien, and Dr. Rubod for providing us with detailed data on LBR for their studies. This work was sponsored by an unrestricted grant from Gedeon Richter, France. The funder provided support in the form of salaries for one of the authors (CS). CS revised the manuscript. The funder did not have any additional role in the study design, study selection and analysis, and decision to submit the article for publication.
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M.B., M.P., and P.S. substantially contributed to the conception and design of the study, acquisition of data, and analysis and interpretation of data, drafted the article, gave their final approval of the version to be published, and agreed to be accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved.
C.S. substantially contributed to the acquisition of data, revised the article, gave her final approval of the version to be published, and agreed to be accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved.
D.D.V.D.M. and S.B substantially contributed to the acquisition of data, drafted the article, gave their final approval of the version to be published, and agreed to be accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved.
B.D and S.L. substantially contributed to the conception and design, data management, analysis, and interpretation of data, drafted and revised the article critically for important intellectual content, gave their final approval of the version to be published, and agreed to be accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved.
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43032_2023_1421_MOESM2_ESM.tiff
Supplementary file2 (TIFF 1422 KB) Supplementary Figure 2: Forest plots of studies of surgery versus no surgery before IVF/ICSI for endometriosis for Live birth rate (LBR) per transfer. M–H, Mantel–Haenszel method; Risks of bias legend: A, Confounding factors; B, Selection of participants; C, Classification of intervention; D, Deviation from intervention; E, Missing data; F, Measurement of outcome; G, Selection of reported results.
43032_2023_1421_MOESM3_ESM.tiff
Supplementary file3 (TIFF 231 KB) Supplementary Figure 3: Forest plots of studies of surgery versus no surgery before IVF/ICSI for endometriosis: (A) Ongoing pregnancy rate (OPR) per cycle, (B) OPR per transfer and (C) cumulative OPR. M–H, Mantel–Haenszel method; Risks of bias legend: A, Confounding factors; B, Selection of participants; C, Classification of intervention; D, Deviation from intervention; E, Missing data; F, Measurement of outcome; G, Selection of reported results.
43032_2023_1421_MOESM4_ESM.tiff
Supplementary file4 (TIFF 449 KB) Supplementary Figure 4: Forest plots of studies of surgery versus no surgery before IVF/ICSI for endometriosis: (A) Clinical pregnancy rate (CPR) per cycle, (B) CPR per transfer and (C) cumulative CPR. M–H, Mantel–Haenszel method; Risks of bias legend: A, Confounding factors; B, Selection of participants; C, Classification of intervention; D, Deviation from intervention; E, Missing data; F, Measurement of outcome; G, Selection of reported results.
43032_2023_1421_MOESM5_ESM.tiff
Supplementary file5 (TIFF 472 KB) Supplementary Figure 5: Forest plots of studies of surgery versus no surgery before IVF/ICSI for endometriosis: (A) Early pregnancy loss (EPL) per cycle and (B) EPL per transfer. M–H, Mantel–Haenszel method; Risks of bias legend: A, Confounding factors; B, Selection of participants; C, Classification of intervention; D, Deviation from intervention; E, Missing data; F, Measurement of outcome; G, Selection of reported results.
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Bourdon, M., Peigné, M., Maignien, C. et al. Impact of Endometriosis Surgery on In Vitro Fertilization/Intracytoplasmic Sperm Injection Outcomes: a Systematic Review and Meta-analysis. Reprod. Sci. (2024). https://doi.org/10.1007/s43032-023-01421-7
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DOI: https://doi.org/10.1007/s43032-023-01421-7