help! late period

so, i’m sexually active and i always use a condom. but, there was one time where i had sex with my boyfriend unprotected for like, two seconds. he precame, but didn’t actually cum. before we had sex he peed, and i found out that urine is very destructive to any leftover sperm in the urethra, so i’m only a little concerned. but, my period is two weeks late and that really concerned me so i took a pregnancy test and it came out negative. i don’t know what to do, and i don’t know if my period is late just because or if it could mean i’m pregnant. also, i’m having cramps and bloating like my period is about to come or i’m on my period. anyone know what i should do? sorry if this is confusing i don’t even know how to explain it lol