Endometrial preparation protocols did not impact outcomes after frozen-thaw embryo transfer for chronic endometritis treatment

Abstract Background Intended to investigate the potential effects of endometrial preparation procedures on the results of subsequent frozen embryo transfer (FET) cycles in infertile women with chronic endometritis (CE) following a single course of antibiotic therapy. Methods From July 2020 to Decemb...

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Main Authors: Xiao Shi, Shuyi Zhang
Format: Article
Language:English
Published: BMC 2025-04-01
Series:Contraception and Reproductive Medicine
Subjects:
Online Access:https://doi.org/10.1186/s40834-025-00363-6
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author Xiao Shi
Shuyi Zhang
author_facet Xiao Shi
Shuyi Zhang
author_sort Xiao Shi
collection DOAJ
description Abstract Background Intended to investigate the potential effects of endometrial preparation procedures on the results of subsequent frozen embryo transfer (FET) cycles in infertile women with chronic endometritis (CE) following a single course of antibiotic therapy. Methods From July 2020 to December 2023, 773 infertile patients participated in a retrospective research. CD138 was immunostained in endometrial tissues taken during the proliferative phase. CE was suggested by the presence of CD138-positive cells in the stromal cells. Oral antibiotics were administered to every patient with a CE diagnosis. After one course of drug treatment, patients had endometrial preparation and frozen embryo transfers. This study compared the impact of different endometrial preparation strategies on pregnancy outcomes. Results Four regimens, hormone replacement treatment (HRT), ovulation induction, natural cycle, and gonadotrophin-releasing hormone agonist-HRT (GnRH agonist-HRT), did not significantly alter the outcome of pregnancy in patients with CE. Compared to other groups, the ovulation induction cycle group had a higher clinical pregnancy rate and embryo implantation rate. In addition, the miscarriage rate is lower compared to other populations. Patients with treated CE who received HRT, GnRH agonist-HRT, ovulation induction cycle, and natural cycle did not differ substantially (P > 0.05). Conclusion Patients with treated CE did not see any change in pregnancy outcomes as a result of endometrial preparation procedures.
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spelling doaj-art-2e9cc638981d4bd9a5ac0a816ca21e012025-08-20T03:10:08ZengBMCContraception and Reproductive Medicine2055-74262025-04-011011710.1186/s40834-025-00363-6Endometrial preparation protocols did not impact outcomes after frozen-thaw embryo transfer for chronic endometritis treatmentXiao Shi0Shuyi Zhang1Beijing Chao-Yang Hospital, Capital Medical UniversityBeijing Chao-Yang Hospital, Capital Medical UniversityAbstract Background Intended to investigate the potential effects of endometrial preparation procedures on the results of subsequent frozen embryo transfer (FET) cycles in infertile women with chronic endometritis (CE) following a single course of antibiotic therapy. Methods From July 2020 to December 2023, 773 infertile patients participated in a retrospective research. CD138 was immunostained in endometrial tissues taken during the proliferative phase. CE was suggested by the presence of CD138-positive cells in the stromal cells. Oral antibiotics were administered to every patient with a CE diagnosis. After one course of drug treatment, patients had endometrial preparation and frozen embryo transfers. This study compared the impact of different endometrial preparation strategies on pregnancy outcomes. Results Four regimens, hormone replacement treatment (HRT), ovulation induction, natural cycle, and gonadotrophin-releasing hormone agonist-HRT (GnRH agonist-HRT), did not significantly alter the outcome of pregnancy in patients with CE. Compared to other groups, the ovulation induction cycle group had a higher clinical pregnancy rate and embryo implantation rate. In addition, the miscarriage rate is lower compared to other populations. Patients with treated CE who received HRT, GnRH agonist-HRT, ovulation induction cycle, and natural cycle did not differ substantially (P > 0.05). Conclusion Patients with treated CE did not see any change in pregnancy outcomes as a result of endometrial preparation procedures.https://doi.org/10.1186/s40834-025-00363-6Endometrial Preparation protocolsChronic endometritisPregnancy outcomes
spellingShingle Xiao Shi
Shuyi Zhang
Endometrial preparation protocols did not impact outcomes after frozen-thaw embryo transfer for chronic endometritis treatment
Contraception and Reproductive Medicine
Endometrial Preparation protocols
Chronic endometritis
Pregnancy outcomes
title Endometrial preparation protocols did not impact outcomes after frozen-thaw embryo transfer for chronic endometritis treatment
title_full Endometrial preparation protocols did not impact outcomes after frozen-thaw embryo transfer for chronic endometritis treatment
title_fullStr Endometrial preparation protocols did not impact outcomes after frozen-thaw embryo transfer for chronic endometritis treatment
title_full_unstemmed Endometrial preparation protocols did not impact outcomes after frozen-thaw embryo transfer for chronic endometritis treatment
title_short Endometrial preparation protocols did not impact outcomes after frozen-thaw embryo transfer for chronic endometritis treatment
title_sort endometrial preparation protocols did not impact outcomes after frozen thaw embryo transfer for chronic endometritis treatment
topic Endometrial Preparation protocols
Chronic endometritis
Pregnancy outcomes
url https://doi.org/10.1186/s40834-025-00363-6
work_keys_str_mv AT xiaoshi endometrialpreparationprotocolsdidnotimpactoutcomesafterfrozenthawembryotransferforchronicendometritistreatment
AT shuyizhang endometrialpreparationprotocolsdidnotimpactoutcomesafterfrozenthawembryotransferforchronicendometritistreatment