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JOURNAL ARTICLE

Confirmation of chronic endometritis in repeated implantation failure and success outcome in IVF-ET after intrauterine delivery of the combined administration of antibiotic and dexamethasone

Yu Zhang, Hanjie Xu, Yusheng Liu, Shengxia Zheng, Weidong Zhao, Dabao Wu, Lei Lei, Gang Chen
American Journal of Reproductive Immunology: AJRI 2019 August 1, : e13177
31373128

PROBLEM: The aim of this prospective study was to investigate the prevalence of chronic endometritis (CE) in repeated implantation failure (RIF) patients and to determine whether intrauterine delivery of the combined administration of antibiotic and dexamethasone improves the clinical pregnancy outcome.

METHOD OF STUDY: The combination of hysteroscopy and histology was used to diagnose CE in the patients with RIF, and the diagnosed patients were treated with the intrauterine delivery of the combined antibiotic and dexamethasone therapy. The prevalence of CE in the RIF patients was recorded, and the therapeutic effect was also evaluated in the first IVF-ET cycle.

RESULTS: In a total number of 298 patients with RIF, 109 cases (36.58%) were diagnosed as CE. Intrauterine infusion treatment resulted in CE resolution in 77.98% of patients. After the treatment, 85 cases with no signs of CE (Group 2) had a significantly higher implantation rate (31.33%) and clinical pregnancy rate (51.76%) as compared with both 126 cases without CE diagnosis (Group 1; 16.30% and 30.15%, respectively) and 24 cases with persistence of CE (Group 3; 14.89% and 25.00%, respectively). The live birth rate in the first IVF-ET cycle following treatment in Group 2 was significantly higher than that of both Group 1 and Group 3 (all P < .05).

CONCLUSION: Chronic endometritis is highly prevalent in patients with RIF. To the best of our knowledge, we for the first time reported that intrauterine delivery of the combined administration of antibiotic and dexamethasone as a treatment option of CE could achieve expected therapeutic effects and successful pregnancy outcomes.

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