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Is Chronic Endometritis Associated with Tubal Infertility? A Prospective Cohort Study

Published:April 20, 2021DOI:https://doi.org/10.1016/j.jmig.2021.04.011

      ABSTRACT

      Study Objective

      Chronic endometritis (CE), which often presents asymptomatically, is associated with recurrent pregnancy loss, recurrent implantation failure after in vitro fertilization, and endometriosis. Data connecting CE with fallopian tubal occlusion are limited. The aim was to assess a potential association of CE, defined by the presence of syndecan-1 (CD138)–positive plasma cells in endometrial tissue samples, with fallopian tube patency and other factors for infertility, including endometriosis, adenomyosis, and hydrosalpinges.

      Design

      Prospective, monocentral pilot study.

      Setting

      Tertiary care center.

      Patients

      A cohort of 100 women who were infertile was enrolled from July 2019 to December 2020.

      Interventions

      Hysteroscopy with endometrial biopsy and laparoscopy with chromopertubation.

      Measurements and Main Results

      CE was found in 13 women (13.0%) and was associated with endometriosis (p = .034) and unilateral/bilateral fallopian tube blockage (p = .013). In women with endometriosis, the mean number of CD138-positive cells was positively correlated with the revised American Society for Reproductive Medicine score (r = .302, p = .028). In a binary regression model, the presence of a hydrosalpinx on one or both sides (odds ratio 15.308; 95% confidence interval, 1.637–143.189; p = .017) and the finding of CE in the endometrial tissue sample (odds ratio 5.273; 95% confidence interval, 1.257–22.116; p = .023) were significantly associated with fallopian tubal occlusion.

      Conclusion

      CE was significantly associated with blockage of the fallopian tubes and endometriosis. Endometriosis stage was associated with the number of CD138-positive cells in endometrial biopsies.

      Keywords

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