I've Been Taking An Ipill From Last 3 Months I

I've been taking an ipill from last 3 months I had unprotected sex since last 3 months once ! And everytime I periods started within 7 days after taking an I pill but this time I had unprotected sex again and I took an ipill within 48 hours but 9 days have passed my periods didn't started yet .. Last month I had my periods twice .. I am tensed please help me .. Am I pregnant ?