Reviewer’s report
Title: 
Histological diagnostic criterion for chronic endometritis based on the clinical outcome.
Version: 
1 
Date: 
29 Jan 2021
Reviewer's report:
I carefully evaluated the revised version of this manuscript.
Authors have performed the required changes, improving significantly the quality of the paper.
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Declaration of competing interests
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Is the study design appropriate to answer the research question (including the use of appropriate controls),
and are the conclusions supported by the evidence presented?
Yes
Are the methods sufficiently described to allow the study to be repeated?
Yes
Is the use of statistics and treatment of uncertainties appropriate?
Yes
Is the presentation of the work clear?
Yes
Are the images in this manuscript (including electrophoretic gels and blots) free from apparent
manipulation?
Yes