Help!!😶😬

Sian🌺
I have recently came off the pill, when i was taking it i got spots of blood ocasionally, i had sex today and started to bleed after it, it was not just a little drop there was a lot of blood👀 i have been getting pain like i am on my period but it is 15 days away, i looked it up and it could be cervical cancer, can any one tell me what else this could be?😶😶