Journal
FRONTIERS IN MEDICINE
Volume 9, Issue -, Pages -Publisher
FRONTIERS MEDIA SA
DOI: 10.3389/fmed.2022.980511
Keywords
chronic endometritis; infertility; antibiotic treatment; live birth rate; miscarriage rate
Categories
Funding
- National Natural Science Foundation of China [82071617]
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Antibiotic treatment for chronic endometritis (CE) does not significantly affect reproductive outcomes, but it can reduce the miscarriage rate. Cured CE is associated with higher on-going pregnancy rate/live birth rate and clinical pregnancy rate compared to non-CE women. Women with cured CE have significantly higher on-going pregnancy rate/live birth rate and clinical pregnancy rate compared to those with persistent CE.
Objective: The aim of this study was to investigate the effect of antibiotic treatment for chronic endometritis (CE) on reproductive outcomes. Design: Systematic review and meta-analysis. Patients: Women with reproductive failures, including recurrent implantation failure (RIF), and recurrent pregnancy loss (RPL). Interventions: Literature searches were performed using three electronic databases (PubMed, Embase, and Web of Science) until 1 December 2021 (without date restriction). The following comparators were included: women with CE receiving antibiotics vs. untreated controls; women with cured CE vs. women with normal endometrial histology (negative for CE); and women with cured CE vs. women with persistent CE (PCE). The summary measures were indicated as odds ratio (OR) with a 95% confidence interval (CI). Main outcome measures: These include on-going pregnancy rate/live birth rate (OPR/LBR), clinical pregnancy rate (CPR), and miscarriage rate/pregnancy loss rate (MR/PLR). Results: A total of 2,154 women (from twelve studies) were enrolled. Compared with the control group, women with CE receiving antibiotics did not show a statistically significant difference in OPR/LBR (P = 0.09) and CPR (P = 0.36), although there was a lower MR (P = 0.03). Women with cured CE have higher OPR/LBR (OR 1.57) and CPR (OR 1.56) in comparison with those with non-CE. There was a statistically significantly higher OPR/LBR (OR 6.82, P < 0.00001) and CPR (OR 9.75, P < 0.00001) in women with cured CE vs. those with persistent CE. Conclusion: While antibiotic treatment is a sensible option to cure CE, more well-designed prospective studies are needed to evaluate the reproductive impact of antibiotic treatment. Cured CE provides high-quality maternal conditions for subsequent embryo transfer and successful pregnancy.
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