Implantation or just paranoid

Hi I'm 26yoa I had my period on the 8 of this month and it lasted the right amount of time for me 7 days well I was at work Friday night n went in bathroom and when I wipe I noticed spotting this is completely abnormal for me so I panicked n went home to b with my SO well when woke up Saturday and Sunday I been feeling nauseous and over tired i don't know if I should be rushing to get hpt bc I got my tubes clipped and burned three years ago almost four