Girls, period/spotting question?

so i am not due for my period for another two weeks and i have finals at the moment and i have been really stressed. last night i found blood but it wasn't accompanied by my regurlar pain that i would get when i have my period and it is much lighter and pinkish in colour. i only see it when i go to the toilet to wipe. anything to be worried about?
Girls, period/spotting question?
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