Ive had my period for abut 2weeks and 5 days, is there something wrong?

ivehad my period now for about 2 weeks and 5 days, its the first time his has ever happended, and im 13 years old. i dont live with my mum, only my dad, so i cant talk to him about it, and i dont know if there is something wrong or not? also its been heavy the whole time, help please.