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Morcel K, Merviel P, Bouée S, Le Guillou M, Carlier M, James P, Drapier H, Beauvillard D. What is the impact of endometriosis and the AFS stage on cumulative pregnancy rates in IVF programs? Reprod Health 2024; 21:13. [PMID: 38287446 PMCID: PMC10823753 DOI: 10.1186/s12978-024-01747-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Accepted: 01/23/2024] [Indexed: 01/31/2024] Open
Abstract
BACKGROUND Endometriosis is commonly observed in infertile women and can be staged with regard to severity [e.g. according to the American Fertility Society (AFS) classification]. This condition can cause infertility through impaired oocyte quality, fertilization disorders, tubal lesions, adhesions, deep infiltration, and adenomyosis. Although women with endometriosis often turn to in vitro fertilization (IVF) programs, the literature data on IVF outcomes are sometimes contradictory (i.e. the same as in other etiologies of infertility, or worse). The objective of the present study was to assess and compare pregnancy rates in women with and without endometriosis and according to the endometriosis stage. METHODS We retrospectively studied clinical and ongoing pregnancy rates in IVF and the cumulative pregnancy rates after frozen/thawed embryo transfers, in women without endometriosis (group A) or with endometriosis (group B). We further compared groups in which endometriosis was staged according to the revised AFS classification: stage 1/2 (group C), stage 3/4 (group D, without endometrioma), and endometrioma alone (group E). RESULTS We documented 430 cycles in group A and 460 in group B (including 56 in group C, 88 in group D and 316 in group E). After fresh or frozen/thawed embryo transfers, the differences in ongoing pregnancy rates between groups A and B were not significant. However the cumulative rates per couple were significantly lower (p < 0.05) in group D. CONCLUSIONS We recommend IVF for women with endometriosis because the pregnancy rates are similar to those observed for women with other types of infertility. This approach is in line with the international guidelines issued by assisted reproductive technology societies. These results again raise the question of whether surgical resection of deep infiltrating endometriosis (stage 3/4) should be recommended before admission to an IVF program. Trial registration This study was approved by an institutional review board (CPP Ouest VI, Brest, France): reference: B2020CE.43.
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Affiliation(s)
- Karine Morcel
- Reproductive Medicine Department, ART Center, Brest University Medical Center, 2 Avenue Foch, 29200, Brest, France
| | - Philippe Merviel
- Reproductive Medicine Department, ART Center, Brest University Medical Center, 2 Avenue Foch, 29200, Brest, France.
| | - Sarah Bouée
- Reproductive Medicine Department, ART Center, Brest University Medical Center, 2 Avenue Foch, 29200, Brest, France
| | - Mathilde Le Guillou
- Reproductive Medicine Department, ART Center, Brest University Medical Center, 2 Avenue Foch, 29200, Brest, France
| | - Marine Carlier
- Reproductive Medicine Department, ART Center, Brest University Medical Center, 2 Avenue Foch, 29200, Brest, France
| | - Pandora James
- Reproductive Medicine Department, ART Center, Brest University Medical Center, 2 Avenue Foch, 29200, Brest, France
| | - Hortense Drapier
- Reproductive Laboratory Department, ART Center, Brest University Medical Center, 2 Avenue Foch, 29200, Brest, France
| | - Damien Beauvillard
- Reproductive Laboratory Department, ART Center, Brest University Medical Center, 2 Avenue Foch, 29200, Brest, France
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Maia J, Fonseca BM, Teixeira N, Correia-da-Silva G. The fundamental role of the endocannabinoid system in endometrium and placenta: implications in pathophysiological aspects of uterine and pregnancy disorders. Hum Reprod Update 2020; 26:586-602. [PMID: 32347309 PMCID: PMC7317288 DOI: 10.1093/humupd/dmaa005] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Revised: 01/03/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND The endocannabinoid system (ECS) consists of the cannabinoid receptors CB1 and CB2, the main endocannabinoids anandamide (AEA) and 2-arachidonoylglycerol (2-AG) and their metabolic enzymes N-acylphosphatidylethanolamine-specific phospholipase D, fatty acid amide hydrolase, diacylglycerol lipase and monoacylglycerol lipase. This system is involved in the modulation of essential physiological processes. Its role in the reproductive system has become significantly important in recent years, given its major role in events such as gametogenesis, decidualisation, implantation and placentation. OBJECTIVE AND RATIONALE In this paper, we review the literature and summarize the role of the ECS elements in reproduction and their potential as early markers for diagnosis of reproductive disorders or as pharmacological targets for treatment. SEARCH METHODS Original research and review papers published from 1964 to June 2019 were selected in terms of relevance, reliability and quality by searching PubMed, MEDLINE and Web of Science, using the following search terms: endocannabinoid system and endometriosis; endocannabinoid system and ectopic pregnancy; endocannabinoid system and miscarriage; endocannabinoid system and pre-eclampsia; endocannabinoid system and endometrial cancer; endocannabinoid system and reproduction; endocannabinoid, endometrium; placenta; N-acylethanolamines; anandamide; 2-arachidonoylglycerol; and cannabinoids. OUTCOMES This review demonstrates relevant information concerning ECS alterations in endometriosis, ectopic pregnancy, miscarriage, pre-eclampsia and endometrial cancer. We highlight the importance of the endocannabinoids in endometrial and placental physiology and pathophysiology, from studies in vitro and in vivo and in clinical observations. The most studied of the endogenous cannabinoids is AEA. The levels of AEA were increased in plasma of patients with endometriosis and miscarriage, as well as in the fallopian tube of women with ectopic pregnancy and in endometrial biopsies of endometrial cancer. Changes in the pattern of expression of the cannabinoid receptor CB1 were also observed in endometrial biopsies of endometriosis, fallopian tube and decidua of patients with ectopic pregnancy and pre-eclamptic placenta. Moreover, alterations in CB2 expression have been reported in association with endometrial cancer. In general, studies on the cannabinoid signalling through CB2 and on the biological activities of the other major endocannabinoid, namely 2-AG, as well as its metabolic enzymes are scarce and avidly required. WIDER IMPLICATIONS The pathophysiological mechanisms involved in the described endometrial and placental pathologies are still unclear and lack the means for an early diagnosis. Based on current evidence, though alterations in ECS are demonstrated at tissue level, it is difficult to associate plasmatic changes in AEA with specific endometrial and placental diseases. Thus, pairing alterations in AEA levels with 2-AG and/or other endocannabinoid-like molecules may provide more accurate and early diagnoses. In addition, patients may benefit from new therapies that target the ECS and endocannabinoid signalling.
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Affiliation(s)
- J Maia
- UCIBIO, REQUIMTE, Departamento de Ciências Biológicas, Laboratório de Bioquímica, Faculdade de Farmácia, Universidade do Porto, Porto, Portugal
| | - BM Fonseca
- UCIBIO, REQUIMTE, Departamento de Ciências Biológicas, Laboratório de Bioquímica, Faculdade de Farmácia, Universidade do Porto, Porto, Portugal
| | - N Teixeira
- UCIBIO, REQUIMTE, Departamento de Ciências Biológicas, Laboratório de Bioquímica, Faculdade de Farmácia, Universidade do Porto, Porto, Portugal
| | - G Correia-da-Silva
- UCIBIO, REQUIMTE, Departamento de Ciências Biológicas, Laboratório de Bioquímica, Faculdade de Farmácia, Universidade do Porto, Porto, Portugal
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[First line management without IVF of infertility related to endometriosis: Result of medical therapy? Results of ovarian superovulation? Results of intrauterine insemination? CNGOF-HAS Endometriosis Guidelines]. ACTA ACUST UNITED AC 2018; 46:331-337. [PMID: 29551300 DOI: 10.1016/j.gofs.2018.02.021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2017] [Indexed: 11/20/2022]
Abstract
INTRODUCTION Using the structured methodology of French guidelines (HAS-CNGOF), the aim of this chapter was to formulate good practice points (GPP), in relation to optimal non-ART management of endometriosis related to infertility, based on the best available evidence in the literature. MATERIALS AND METHODS This guideline was produced by a group of experts in the field including a thorough systematic search of the literature (from January 1980 to March 2017). Were included only women with endometriosis related to infertility. For each recommendation, a grade (A-D, where A is the highest quality) was assigned based on the strength of the supporting evidence. RESULTS Management of endometriosis related to infertility should be multidisciplinary and take account into the pain, the global evaluation of infertile couple and the different phenotypes of endometriotic lesions (good practice point). Hormonal treatment for suppression of ovarian function should not prescribe to improve fertility (grade A). After laproscopy for endometriosis related to infertility, the Endometriosis Fertility Index should be used to counsel patients regarding duration of conventional treatments before undergoing ART (grade C). After laparoscopy surgery for infertile women with AFS/ASRM stage I/II endometriosis or superficial peritoneal endometriosis, controlled ovarian stimulation with or without intrauterine insemination could be used to enhance non-ART pregnancy rate (grade C). Gonadotrophins should be the first line therapy for the stimulation (grade B). The number of cycles before referring ART should not exceed up to 6 cycles (good practice point). No recommendation can be performed for non-ART management of deep infiltrating endometriosis or endometrioma, as suitable evidence is lacking. DISCUSSION AND CONCLUSION Non-ART management is a possible option for the management of endometriosis related to infertility. Endometriosis Fertilty Index could be a useful tool for subsequent postoperative fertility management. Controlled ovarian stimulation can be proposed.
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Bouaziz J, Bar On A, Seidman DS, Soriano D. The Clinical Significance of Endocannabinoids in Endometriosis Pain Management. Cannabis Cannabinoid Res 2017; 2:72-80. [PMID: 28861506 PMCID: PMC5436335 DOI: 10.1089/can.2016.0035] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Introduction: Patients with endometriosis often suffer from diffuse and poorly localized severe pain. The current pain management strategies include medical and hormonal therapy, as well as surgery. Medical management of pain is often insufficient and is associated with high rate of recurrence. Better pain management is therefore of urgent need. Methods: Among the various candidates, the endocannabinoid system (ECS) has recently emerged as a relevant pharmacological target for the management of endometriosis-related pain. A computerized literature search was performed to identify relevant studies combining the keywords "endometriosis," "endocannabinoid," "cannabinoid receptor," "THC," and "pain mechanisms." Conclusions: This review describes the multiple and complex pain mechanisms associated with endometriosis. Current data and theories concerning the link between the ECS and pain management for endometriosis patients are presented. Finally, we will discuss which aspects of endometriosis-associated pain can be targeted by modulation of the ECS.
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Affiliation(s)
- Jerome Bouaziz
- Department of Obstetrics and Gynecology, The Chaim Sheba Medical Center, Ramat-Gan, Israel
- Department of Urology, The Chaim Sheba Medical Center, Ramat-Gan, Israel
| | - Alexandra Bar On
- Department of Obstetrics and Gynecology, The Chaim Sheba Medical Center, Ramat-Gan, Israel
- Department of Urology, The Chaim Sheba Medical Center, Ramat-Gan, Israel
| | - Daniel S. Seidman
- Department of Obstetrics and Gynecology, The Chaim Sheba Medical Center, Ramat-Gan, Israel
- Department of Urology, The Chaim Sheba Medical Center, Ramat-Gan, Israel
| | - David Soriano
- Department of Obstetrics and Gynecology, The Chaim Sheba Medical Center, Ramat-Gan, Israel
- Department of Urology, The Chaim Sheba Medical Center, Ramat-Gan, Israel
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Endometriosis Fertility Index ou classification de l’American Society of Reproductive Medicine pour les patientes infertiles endométriosiques opérées. Lequel est le plus pertinent ? ACTA ACUST UNITED AC 2015; 43:806-9. [DOI: 10.1016/j.gyobfe.2015.10.006] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2015] [Accepted: 10/12/2015] [Indexed: 11/18/2022]
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Boujenah J, Bonneau C, Hugues JN, Sifer C, Poncelet C. External validation of the Endometriosis Fertility Index in a French population. Fertil Steril 2015; 104:119-23.e1. [DOI: 10.1016/j.fertnstert.2015.03.028] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2015] [Revised: 03/21/2015] [Accepted: 03/24/2015] [Indexed: 11/26/2022]
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Wand S, Weissman A, Sagiv R, Schreiber L, Boaz M, Horowitz E, Ravhon A, Seadia S, Barkat J, Golan A, Lavran D. Endometrial nerve fibre density in patients undergoing IVF: a pilot study. Reprod Biomed Online 2014; 28:761-5. [PMID: 24745833 DOI: 10.1016/j.rbmo.2014.02.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2013] [Revised: 12/14/2013] [Accepted: 02/11/2014] [Indexed: 11/16/2022]
Abstract
The presence of nerve fibres in the functional layer of the endometrium has been strongly associated with endometriosis. Presence of nerve fibres in the endometrium of women undergoing IVF has not been previously assessed. This prospective pilot study assessed the presence of nerve fibres in endometrium of women undergoing IVF due to various causes and examined the correlation between the presence of nerve fibres and IVF success. A total of 32 IVF patients underwent endometrial biopsy during days 21-23 of the menstrual cycle. Nerve fibres were identified by immunohistochemical staining. Correlations between the presence and density of nerve fibres and aetiology of infertility and IVF success were measured. Nerve fibres were identified in the endometrium of 10/31 (32.3%) women with a satisfactory biopsy. Presence of nerve fibres was not correlated with cause of infertility. Clinical pregnancy was achieved in 12/32 (37.5%) patients, without correlation to presence of nerve fibres in the endometrium. Nerve fibres were identified in a substantial percentage of women undergoing IVF, possibly reflecting underdiagnosis of endometriosis in this population. The presence of nerve fibres does not appear to interfere with implantation. The significance of nerve fibres in the endometrium of IVF patients warrants further research. The presence of nerve fibres in the functional layer of the endometrium has been strongly associated with endometriosis. The presence of nerve fibres in the endometrium of women undergoing IVF has not been previously assessed. Our aim was to assess the presence of nerve fibres in endometrium of women with various causes of infertility undergoing IVF and to examine the association between the presence of nerve fibres in the endometrium and IVF success. In a prospective study, 32 IVF patients underwent endometrial biopsy during days 21-23 of the menstrual cycle. Nerve fibres were identified by immunohistochemical staining. Associations between the presence and density of nerve fibres and the aetiology of infertility and IVF success were measured. Nerve fibres were identified in the endometrium of 10/31 (32.3%) women with a satisfactory biopsy. No association was found between the presence of nerve fibres and the cause of infertility. Clinical pregnancy was achieved in 12/32 (37.5%) patients, without association with the presence of nerve fibres in the endometrium. Nerve fibres can be identified in a substantial percentage of women undergoing IVF, possibly reflecting underdiagnosis of endometriosis in this population. Their presence does not interfere with embryo implantation. The significance of nerve fibres in the endometrium of IVF patients warrants further research.
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Affiliation(s)
- Suzanna Wand
- IVF Unit, Edith Wolfson Medical Center, Holon, Israel; Department of Obstetrics and Gynecology, Edith Wolfson Medical Center, Holon, Israel; Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Ariel Weissman
- IVF Unit, Edith Wolfson Medical Center, Holon, Israel; Department of Obstetrics and Gynecology, Edith Wolfson Medical Center, Holon, Israel; Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.
| | - Ron Sagiv
- Department of Obstetrics and Gynecology, Edith Wolfson Medical Center, Holon, Israel; Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Letizia Schreiber
- Department of Pathology, Edith Wolfson Medical Center, Holon, Israel; Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Mona Boaz
- Epidemiology and Research Unit, Edith Wolfson Medical Center, Holon, Israel; Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Eran Horowitz
- IVF Unit, Edith Wolfson Medical Center, Holon, Israel; Department of Obstetrics and Gynecology, Edith Wolfson Medical Center, Holon, Israel; Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Amir Ravhon
- IVF Unit, Edith Wolfson Medical Center, Holon, Israel; Department of Obstetrics and Gynecology, Edith Wolfson Medical Center, Holon, Israel; Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Sarit Seadia
- IVF Unit, Edith Wolfson Medical Center, Holon, Israel; Department of Obstetrics and Gynecology, Edith Wolfson Medical Center, Holon, Israel; Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Jonathan Barkat
- IVF Unit, Edith Wolfson Medical Center, Holon, Israel; Department of Obstetrics and Gynecology, Edith Wolfson Medical Center, Holon, Israel; Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Abraham Golan
- Department of Obstetrics and Gynecology, Edith Wolfson Medical Center, Holon, Israel; Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - David Lavran
- IVF Unit, Edith Wolfson Medical Center, Holon, Israel; Department of Obstetrics and Gynecology, Edith Wolfson Medical Center, Holon, Israel; Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
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André GM, Vilarino FL, Christofolini DM, Bianco B, Barbosa CP. Aspiration and ethanol sclerotherapy to treat recurrent ovarian endometriomas prior to in vitro fertilization – a pilot study. EINSTEIN-SAO PAULO 2011; 9:494-8. [DOI: 10.1590/s1679-45082011ao2081] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2011] [Accepted: 11/01/2011] [Indexed: 11/22/2022] Open
Abstract
ABSTRACT Objective: To describe the evolution of controlled ovarian hyperstimulation in women with recurrent ovarian endometriomas treated with sclerotherapy. Methods: Twenty-one patients with a laparoscopic diagnosis of stage III or IV endometriosis who had an endometrioma larger than 3 cm before ovarian hyperstimulation for in vitro fertilization were included in the study. After using a GnRH agonist analog for at least 20 days, the cysts were punctured using ultrasound guidance and subsequent ethanol sclerotherapy was performed. Then, the patients were stimulated with 100 or 200 U/day of recombinant follicle stimulating hormone, varying the dose according to the patient's age or history of a previous unilateral oophorectomy. Results: The ovarian cysts had an average diameter of 4.7 ± 1.4 cm and did not recur after aspiration during the ovulation induction. Oocyte extraction occurred after 11 days of hyperstimulation, with 3.95 ± 3.30 oocytes obtained per cycle, on average. Embryo transfer occurred in 71.4% (15/21) of patients, and the pregnancy rate after transfer was 20% (3/15). Conclusion: Aspiration followed by ethanol sclerotherapy prior to in vitro fertilization can be an option for patients who desire a pregnancy and have recurrent endometriomas.
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Vercellini P, Somigliana E, Vigano P, Abbiati A, Barbara G, Crosignani PG. Surgery for endometriosis-associated infertility: a pragmatic approach. Hum Reprod 2009; 24:254-69. [DOI: 10.1093/humrep/den379] [Citation(s) in RCA: 172] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
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Endometrioma and oocyte retrieval–induced pelvic abscess: a clinical concern or an exceptional complication? Fertil Steril 2008; 89:1263-1266. [DOI: 10.1016/j.fertnstert.2007.05.038] [Citation(s) in RCA: 67] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2007] [Revised: 05/29/2007] [Accepted: 05/29/2007] [Indexed: 11/21/2022]
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Somigliana E, Vercellini P, Viganó P, Ragni G, Crosignani PG. Should endometriomas be treated before IVF–ICSI cycles? Hum Reprod Update 2005; 12:57-64. [PMID: 16155094 DOI: 10.1093/humupd/dmi035] [Citation(s) in RCA: 108] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The laparoscopic excision of ovarian endometriomas appears to increase the chances of spontaneous conception, but the value of this treatment in women selected for IVF-ICSI cycles is debated. Studies recruiting women with unilateral disease and comparing ovarian responsiveness in the affected and contralateral intact gonads indicate that excision of endometriomas is associated with a quantitative damage to ovarian reserve. There are no randomized trials comparing laparoscopic excision to expectant management before IVF-ICSI cycles. The idea that surgery increases IVF pregnancy rates is not supported by the available evidence. However, the chance of conception is not the only issue that has to be considered. Some potential drawbacks are associated with both therapeutical strategies. Specifically, costs and hazard of surgical complications support expectant management whereas oocyte retrieval risks, the possibility of missing occult malignancy and endometriosis progression due to ovarian stimulation would favour surgical treatment. Alternative therapeutical options include medical treatment and ultrasound-guided aspiration. Whereas prolonged GnRH agonist down-regulation may be beneficial, data on ultrasound aspiration are more controversial.
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Affiliation(s)
- Edgardo Somigliana
- Department of Obstetrics, Gynecology and Neonatology, Ospedale Maggiore Policlinico, Mangiagalli and Regina Elena, Milan, Italy.
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Current World Literature. Curr Opin Obstet Gynecol 2005. [DOI: 10.1097/01.gco.0000169110.00376.bd] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Abstract
Endometriosis is an oestrogen-dependent disorder that can result in substantial morbidity, including pelvic pain, multiple operations, and infertility. New findings on the genetics, the possible roles of the environment and the immune system, and intrinsic abnormalities in the endometrium of affected women and secreted products of endometriotic lesions have given insight into the pathogenesis of this disorder and serve as the background for new treatments for disease-associated pain and infertility. Affected women are at higher risk than the general female population of developing ovarian cancer, and they also may be at increased risk of breast and other cancers as well as autoimmune and atopic disorders. Clinicians should assess and follow up affected women for these and other associated disorders. There will probably be a new repertoire of approaches for treatment and perhaps cure of this enigmatic disorder in the near future.
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Affiliation(s)
- Linda C Giudice
- Division of Reproductive Endocrinology and Infertility, Center for Research on Women's Health and Reproduction, Department of Obstetrics and Gynecology, Stanford University School of Medicine, Stanford, CA 94305-5317, USA.
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Wong BC, Gillman NC, Oehninger S, Gibbons WE, Stadtmauer LA. Results of in vitro fertilization in patients with endometriomas: is surgical removal beneficial? Am J Obstet Gynecol 2004; 191:597-606; discussion 606-7. [PMID: 15343246 DOI: 10.1016/j.ajog.2004.05.079] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
OBJECTIVE The purpose of this study was to investigate the effect of endometriomas on clinical pregnancy rates of in vitro fertilization-embryo transfer. STUDY DESIGN Infertile patients with endometriosis who underwent in vitro fertilization-embryo transfer were divided into group 1 patients who had a history of ovarian endometriomas and group 2 patients who did not. The patients in group 1 were further divided into group 1A who had their endometriomas removed by laparoscopic ovarian cystectomy before the start of in vitro fertilization-embryo transfer and group 1B who underwent in vitro fertilization-embryo transfer with the presence of endometriomas. The clinical pregnancy rates of these groups were compared. RESULTS Clinical pregnancy rates per transfer were similar in group 1 and group 2 (40% vs 47%; P =.38) and similar in patients in group 1A and group 1B (47% vs 34%; P =.28), although the direction was toward improved pregnancy rates in the groups of patients without endometriomas present at the time of in vitro fertilization stimulation. When patients >39 years of age were excluded, the overall pregnancy rate was higher in those patients who had no current endometriomas than in those patients who had endometriomas present at the time of stimulation (65% vs 39%; P =.05). For patients with unilateral endometriomas, similar numbers of mature oocytes were aspirated between the affected and unaffected ovaries. CONCLUSION Although the history of endometriomas does not appear to affect in vitro fertilization-embryo transfer outcomes adversely, there may be a benefit in the removal of endometriomas before in vitro fertilization.
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Affiliation(s)
- Benjamin C Wong
- Department of Obstetrics and Gynecology, The Howard and Georgeanna Jones Institute for Reproductive Medicine, Eastern Virginia Medical School, 601 Colley Avenue, Norfolk, VA 23507, USA
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