im 4 days late for the first time🥴

My boyfriend finished inside of me 4 days before my period was supposed to start. i was 99 percent sure i wasn’t fertile bc it had been a little over a week since i ovulated and i can feel when i’m ovulating. but now my period is 4 days late. (it’s never been more than 3 days late, and glo is always pretty accurate for me) i’ve been experiencing nipple and breast soreness ever since the day before my period was supposed to start. i usually don’t have discharge right before my period, but it’s been feeling a lot wetter down there than usual. now i’m starting to get worried. what do you guys think?