Help, please??

💁🏻💁🏻
My period is late by 2 days, and I have never been late. I'm not stressed or anything, but for the past week I've had period like cramping and nausea and vomiting (only ever experience cramping). I had unprotected sex with my SO other everyday of my fertile week (my doctor said my chances on having a child is slim due to being on chemo). I'm not going to take a test just yet as it maybe too early and I don't want to get my hopes up. But what do you guys think? ☺️