Reviewer ’s report  
 
Title: Lesion distribution characteristics of deep infiltrating endometriosis with ovarian  
endometrioma: An observational clinical study  
 
Version: 1 Date: 18 Mar 2020  
 
Reviewer: Akmal El -Mazny  
 
Reviewer's report:  
 
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Are the methods appropriate and well described?  
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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 
 
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I am able to assess the statistics  
 
Quality of written English  
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Acceptable  
 
 
 
Declaration of competing interests  
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