Nervous smh! Help.

My period was suppose to come yesterday and it’s a day late. Prior to that, I had unprotected sex two days in a row, and at all times he ejaculated in me. Also, for the past week I’ve been fasting so idk if that can delay it. Also took some advil 3 days before my period was suppose to come (but didn’t) for pms cramps. I’m not trying for a baby but it’s just one of those things where being irresponsible got the best of me. Currently I’m having mild cramps that come and go. Do you think it’s a possibility I can be pregnant or do you think I should be good? Has anyone had unprotected sex 2 day before your period and been okay?