3 Days Late- Totally Irregular

Mackenzie
I was on the Depo shot for just under a year (10 months?) and received my last shot around 7 months ago. I regained regular periods, give or take a few days to a week, about 3 months ago. 
Needless to say, the last year has been insane.
I'm 3 days late but that has always been a thought start date because I've only been regular for a few months. 
My partner and I don't have a lot of sex due to our schedules being totally opposite. We use condoms unless he's at risk of losing his erection, then we go for it and try to get a condom on later... That usually doesn't work. 
I have no signs of pregnancy but I am extremely, unreasonably irritable. My nipples are slightly sore, and I've been off and on bloated for a couple of weeks.
Too soon to freak out and consider pregnancy
Someone soothe my mind!!!!