help please

i’m 16 and just recently has sex for the first couple of times (protected) i recently had a uti the cause being sex. i’m 4 days late on my period and i am freaking out my period is never late it comes on the same day every month i’ve spoken too my boyfriend and he said he checked multiple times too see if the condom broke or leaked and he was sure it didn’t. my discharge is creamy and egg white consistency like i get before my period and i’ve had mild cramps but not a lot. i am so scared that i am pregnant and i am completely stressing out about it i want no hate as this is a quite stressful time for me.

i had sex was the 20th of february