am I ?? help ?!

I had unprotected sex with my boyfriend at the time and we broke up a week later and I was suppose to have my period 2 weeks after we had  sex well I was late 3 weeks I believe I got my period but it was kinda light but I usually always have light periods and now it's about to be 2 months since I've had my period I don't know because I had regular cycles for 7 months before this but before that I was very erugular, am I ??