Is Irregular And Early Periods Caused By Intake Of I Pill?

Hello,
i am 24 yr girl i have done sex with my boyfriend on 14 aug unfortunately his condom damaged so for precaution i take ipill within an hour after one week on 21 aug i got blood from my vagina for three days and thei it come again after 10 days which is my period date on 2 sept but that time it is only for 4 days and after 16 days ie 21 sept period starts again it is natural length of 6 days on 6 oct he put his finger in my vagina after that i again started bleed and still its going on plz help me........