Reviewer ’s report  
Title: A systematic review of methods to measure menstrual blood loss  
 
Version: 0 Date: 25 Jan 2018  
 
Reviewer: Andrea Lukes  
 
Reviewer's report:  
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I think the manuscript is written extremely well - and I have read many.  They are very thorough 
in the description of how the search was done.  The explanation of ways to evaluate MBL are 
good .  I found this to be acceptable as is which is not usually my conclusion.  Well done!  
 
Are the methods appropriate and well described?  
If not, please specify what is required in your comments to the authors.  
Yes 
Does the work include the necessary controls?  
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Yes 
Are the conclusions drawn adequately supported by the data shown?  
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Yes 
Are you able to assess any statistics in the manus cript or would you recommend an 
additional statistical review?  
If an addition al statistical review is recommended, please speci fy what aspects require further 
assessment in your comments to the editors.  
Not relevant to this manuscript  
Quality of written English  
Please indicate the quality of language in the manuscript:  
Acceptable  
Declaration of competing interests  
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I have no competing interests  
 
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I agree to the open peer review policy of the journal