Need help spotting

So yesterday I wiped and had pinkish blood so I stuck a tampon in and checked 15mins and i anit do to have my period til wensday it was gone then last night I had sex and went to clean myself sorry and blood and now today of I push pressure with tolit paper up there I get pinkish so is it just pm's coming early are should I want til websday and see of my period comes. And take a test