Help!! 😫

I'm 2 days late for my period, I'm having slight cramps from my belly button down, backaches, I'm constipated, I get super nauseous and dizzy (in the mornings) to where I think I'm gonna puke but I never do puke, I'm super tired (to the point where I sleep in 2nd and 7th hour and when I get home), I'm super Moody and emotional, my sense of smell has heightened, and my nipples are sore. I took a test earlier this morning and it came out negative, I'm going to take the other one in a couple weeks because I don't know why else I'd be feeling like this. Does it sound like I'm pregnant or is my period just delayed? Please help!!😳😳

** I also never get these symptoms when I'm on or about to start my period**