HELLO I WAS TAKING SPRINTEC BIRTH CONTROL BUT I STOPPED

HELLO I WAS TAKING SPRINTEC BIRTH CONTROL BUT I STOPPED RIGHT AFTER MY PERIOD BECAUSE I WAS TAING IT WRONG BUT SINCE I STOPPED I AM BLEEDING HEAVILY MY DOCTOR SAID IT ISNT MY PERIOD BECAUSE I ALREADY HAD MY PERIOD A WEEK AGO AND SINCE I STOPPED MY BIRTH CONTROL I COULDVE OVULATED AND GOTTEN PREGNANT BUT I DONT KNOW HOW IF IM BLEEDING AND CRAMPING SO MUCH CAN YOU TELL ME WHAT THIS MEANS PLEASE