Help me scared

Patient: Hi , i got birthcontrol about a month ago for the first time and i took the pill 3-5 pm evryday not exactly at the right time but i stopped taking it about 2 weeks into it cause i started bleeding thinking it was my period it lasted 8 days then when i stopped bleeding i started taking my birthcontrol again and now a couple of days after i am bleeding heavily again ! , this is driving me nuts like every other day im bleeding , i dont know whats going on , i also had a miscarrigre 3 months ago n got my first period 3 weeks ago since then . i am scared i dont know what to think or do .

Doctor: