Help! Itching and discomfort 😭

So my periods late but I’ve been stressing lately and it’s been pretty irregular since I started college, plus I use condoms so we’re safe. But two days ago I shaved my 🐱 and had sex (again, with a condom). Today I used the bathroom and my 🐱, specifically the hole started to itch and feel uncomfortable. I can’t see any bumps or anything. Could it be just from shaving or something more serious? Also, could it be delaying my period?