Is Endometrial Scratching Beneficial for Patients Undergoing a Donor-Egg Cycle with or without Previous Implantation Failures? Results of a Post-Hoc Analysis of an RCT
Endometrial scratching (ES) has been proposed as a useful technique to improve outcomes in in vitro fertilization (IVF) cycles, particularly in patients with previous implantation failures. Our objective was to determine if patients undergoing egg-donor IVF cycles had better live birth rates after E...
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MDPI AG
2021-06-01
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author | Alexandra Izquierdo Laura de la Fuente Katharina Spies David Lora Alberto Galindo |
author_facet | Alexandra Izquierdo Laura de la Fuente Katharina Spies David Lora Alberto Galindo |
author_sort | Alexandra Izquierdo |
collection | DOAJ |
description | Endometrial scratching (ES) has been proposed as a useful technique to improve outcomes in in vitro fertilization (IVF) cycles, particularly in patients with previous implantation failures. Our objective was to determine if patients undergoing egg-donor IVF cycles had better live birth rates after ES, according to their previous implantation failures. Secondary outcomes were pregnancy rate, clinical pregnancy rate, ongoing pregnancy rate, miscarriage rate, and multiple pregnancy rate. We analysed the results of 352 patients included in the Endoscratch Trial (NCT03108157). A total of 209 were patients with one or no previous implantation failures (105 with an ES done in the previous cycle, group A1, and 104 without ES, group B1), and 143 were patients with at least two previous failed implantations (71 patients with ES, group A2, and 72 without ES, group B2). We found an improvement in pregnancy rates (62.9% in group A1 vs. 55.8% in group B1 vs. 70.4% in group A2 vs. 76.4% in group B2, <i>p</i> = 0.028) in patients with at least two previous implantation failures, but this difference was not statistically different when we compared clinical pregnancy rates (59.1% vs. 51.0% vs. 64.8% vs. 68.1% in groups A1, B1, A2 and B2, respectively, <i>p</i> = 0.104) and live birth rates (52.4% vs. 43.3% vs. 57.8% vs. 55.6% in groups A1, B1, A2 and B2, respectively, <i>p</i> = 0.218). According to these results, we conclude that there is no evidence to recommend ES in egg-donor IVF cycles, regardless of the number of previous failed cycles. |
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spelling | doaj.art-f294274506154a86bbaaf1f3870b76d82023-12-03T13:10:01ZengMDPI AGDiagnostics2075-44182021-06-01117116710.3390/diagnostics11071167Is Endometrial Scratching Beneficial for Patients Undergoing a Donor-Egg Cycle with or without Previous Implantation Failures? Results of a Post-Hoc Analysis of an RCTAlexandra Izquierdo0Laura de la Fuente1Katharina Spies2David Lora3Alberto Galindo4Gynaecology Unit, Médipôle Hôpital Mutualiste Lyon-Villeurbanne, 69100 Villeurbanne, FranceHuman Reproduction Unit, Department of Obstetrics and Gynaecology, University Hospital 12 de Octubre, Avda, Andalucia s/n, 28041 Madrid, SpainProcreaTec–IVF Spain, Manuel de Falla 6, 28036 Madrid, SpainClinical Research Unit (imas12-CIBERESP), University Hospital 12 de Octubre, Avda, Andalucia s/n, 28041 Madrid, SpainFetal Medicine Unit—Maternal and Child Health and Development Network (Red SAMIDRD12/0026/0016), Department of Obstetrics and Gynaecology, 12 de Octubre Research Institute (imas12), University Hospital 12 de Octubre, Complutense University of Madrid, Avda, Andalucia s/n, 28041 Madrid, SpainEndometrial scratching (ES) has been proposed as a useful technique to improve outcomes in in vitro fertilization (IVF) cycles, particularly in patients with previous implantation failures. Our objective was to determine if patients undergoing egg-donor IVF cycles had better live birth rates after ES, according to their previous implantation failures. Secondary outcomes were pregnancy rate, clinical pregnancy rate, ongoing pregnancy rate, miscarriage rate, and multiple pregnancy rate. We analysed the results of 352 patients included in the Endoscratch Trial (NCT03108157). A total of 209 were patients with one or no previous implantation failures (105 with an ES done in the previous cycle, group A1, and 104 without ES, group B1), and 143 were patients with at least two previous failed implantations (71 patients with ES, group A2, and 72 without ES, group B2). We found an improvement in pregnancy rates (62.9% in group A1 vs. 55.8% in group B1 vs. 70.4% in group A2 vs. 76.4% in group B2, <i>p</i> = 0.028) in patients with at least two previous implantation failures, but this difference was not statistically different when we compared clinical pregnancy rates (59.1% vs. 51.0% vs. 64.8% vs. 68.1% in groups A1, B1, A2 and B2, respectively, <i>p</i> = 0.104) and live birth rates (52.4% vs. 43.3% vs. 57.8% vs. 55.6% in groups A1, B1, A2 and B2, respectively, <i>p</i> = 0.218). According to these results, we conclude that there is no evidence to recommend ES in egg-donor IVF cycles, regardless of the number of previous failed cycles.https://www.mdpi.com/2075-4418/11/7/1167endometrial scratchingin vitro fertilizationrecurrent implantation failureegg donor IVF cycleendometrial receptivity |
spellingShingle | Alexandra Izquierdo Laura de la Fuente Katharina Spies David Lora Alberto Galindo Is Endometrial Scratching Beneficial for Patients Undergoing a Donor-Egg Cycle with or without Previous Implantation Failures? Results of a Post-Hoc Analysis of an RCT Diagnostics endometrial scratching in vitro fertilization recurrent implantation failure egg donor IVF cycle endometrial receptivity |
title | Is Endometrial Scratching Beneficial for Patients Undergoing a Donor-Egg Cycle with or without Previous Implantation Failures? Results of a Post-Hoc Analysis of an RCT |
title_full | Is Endometrial Scratching Beneficial for Patients Undergoing a Donor-Egg Cycle with or without Previous Implantation Failures? Results of a Post-Hoc Analysis of an RCT |
title_fullStr | Is Endometrial Scratching Beneficial for Patients Undergoing a Donor-Egg Cycle with or without Previous Implantation Failures? Results of a Post-Hoc Analysis of an RCT |
title_full_unstemmed | Is Endometrial Scratching Beneficial for Patients Undergoing a Donor-Egg Cycle with or without Previous Implantation Failures? Results of a Post-Hoc Analysis of an RCT |
title_short | Is Endometrial Scratching Beneficial for Patients Undergoing a Donor-Egg Cycle with or without Previous Implantation Failures? Results of a Post-Hoc Analysis of an RCT |
title_sort | is endometrial scratching beneficial for patients undergoing a donor egg cycle with or without previous implantation failures results of a post hoc analysis of an rct |
topic | endometrial scratching in vitro fertilization recurrent implantation failure egg donor IVF cycle endometrial receptivity |
url | https://www.mdpi.com/2075-4418/11/7/1167 |
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