i have taken 1 i.pill in a month for 2 consecutive months, since i had unprotected sex with my boyfriend, first time it was only one week prior to my cycle, and normally i got it, but second month it was one week after finishing my bleeding , and again i got blood after 4 days, now had finished my abnormal bleeding, in 6 days, and getting again another cycle, pliz help me whats wrong with me?