Reviewer’s report
Title: 
Can TSH level and premenstrual spotting constitute a non-invasivemarker
for the diagnosis of endometriosis?
Version: 
1 
Date: 
08 Aug 2021
Reviewer's report:
Thank you for giving me the opportunity to review this interesting study "Can
TSH level and premenstrual spotting constitute a non-invasivemarker for the
diagnosis of endometriosis?".
However, I have some comments and recommendations:
Comments:
Title: 
- Is appropriate for the content of the article.
Abstract: 
- Represents a suitable summary of the work.
Article content: 
- The design, methods and analysis of the results have been explained and are
appropriate for the study.
Conclusions:
- Are justified on the basis of the results of the study.
Recommendations:
Discussion:
- Suggest clinical implications.
References:
- Update some references.
General:
- Revise language, grammar and syntax.
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. 
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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