I Had Sex With My Husband 3weeks Back Wit Out

I had sex with my husband 3weeks back wit out protection.. I took an I pill the very next hr . I ended up having spotting after seven days.. I presumed it to be my periods and I ended up havin sex wit out protection again.. Later on realising tat it was not my periods I ended up takin another I pill..i am late by 28 days.. Am I pregnant by any chance? I am eagerly awaiting for my periods.