late period

I know this is silly, but I'm a little nervous because my period is late by 2 days. I'm not on the pill but my boyfriend and I use condoms. I haven't had sex in over a month because my family is religious and I feel really guilty every time I do, so I just avoid it. I had my period last month, so it's impossible for me to be pregnant. I don't know, I guess I just needed to vent my stress haha. Can't help but worry.