Birth control

Hi so I finished my 21 days on birth control aka the pill. So as said I go on a 4 day break to bleed but I DIDN,T bleed until I have to start my pill again so what do I do now do I let myself bleed or take the pill cause I’m only supposed to be off it 4 days and I’ve already had 1 pill but bleeding so now idk will the bleeding stop PLEASE HELP I’m new to this