Can exercise/running make your period heavier &/or come on sooner?

Hope

New member
Say i am due on thursday will it come sooner (im not but just wondering)?
Also when i do have my period will it be heavier?

I have NEVER done any exercise im 16 and have a light period 2-3 days and virtually pain free, will it all change once i have started running frequently?

Thank you very much
 
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