Reviewer’s report  
Title: Menstrual Characteristics, Disorders And Associated Risk Factors Among Female 
International Students In Zhejiang Province, China:A cross -sectional survey.  
Version: 1 Date: 10 Nov 2017  
Reviewer: Mohamed Youssef   
Reviewer's report:  
 
I give my commen ts on the manuscript "Menstrual Characteristics, Disorders And Associated 
Risk Factors Among Female International Students In Zhejiang Province, China"  
 
General comment: English editing is mandatory  
Title: please add the study design in the title  
Abstract:  
1) 1. Typo "   semi -structured questionnaire on their menstrual history before and after ( 
arrival ) China ..."  
2) 2. typo " arrival in ( to) China  
3) 3. " p=0.029, 0R=1.636,CI 1.051 -2.547" rearrange to be as follow " OR, 95% CI , p 
value)  
4) 4. the results & conclu sion lack more details about the menstrual characteristics, 
disorders and risk factors as reported in the aim of the study.  
Introduction  
1. Too short, needs more details about the patho -physiology of menstrual disorders/changes 
expected  
2. Clarify the impa cts of menstrual changes on the quality of life of those international 
students.  
Results  
Typo: " The median (±SD) BMI for the population was (((3)))± 0.775 kg/m2" , correct it please.  
 
 
Are the methods appropriate and well described?  
If not, please specify what is r equired in your comments to the authors.  
Yes 
Does the work include the necessary controls?  
If not, please specify which controls are required in your comments to the authors.  
No 
Are the conclusions drawn adequately supported by the data shown?  
If not, plea se explain in your comments to the authors.  
Yes 
Are you able to assess any statistics in the manuscript or would you recommend an 
additional statistical review?  
If an additional statistical review is recommended, please specify 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:  
Needs some language corrections before bei ng published  
Declaration of competing interests  
Please complete a declaration of competing interests, considering the following questions:  
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organisation that may in any way gain or lose financially from the publication of this 
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3. Do you hold or are you currently applying for any patents relating to the content of the 
manuscript?  
4. Have you received reimbursements, fees, funding, or salary from an organization that 
holds or has ap plied for patents relating to the content of the manuscript?  
5. Do you have any other financial competing interests?  
6. Do you have any non -financial competing interests in relation to this paper?  
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below. If your reply is yes to any, please give details below.  
I declare that I have no competing interests.  
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