Early pregnancy symptoms?

Hi ladies! Googling does nothing to help when you're trying to price together what's a symptom and what isn't, so I've come to ask real women instead!

Today is supposed to be day 1 of my period, but the day just started so who knows! I'd take a test but my cycles are very short (24 days) so I typically waot to test until I'm a full week late, but with something this big, my curiosity gets the best of me and I begin to analyze everything!

My husband and I are not ttc yet (😔) but this month we cut it reeeeeaaaal close and I very well could be preggo!

Lately I've been getting hot flashes (only 23 so it's definitely not my age!) Which is extremely unusual for me. I've also been having HUGE cravings for chicken, sushi, and yogurt (which is super weird because i hate yogurt) and all day yesterday and today my upper left back has been KILLING me. Like so bad I'm currently bound to one position with a heating pad. I definitely didn't pull it, I do nothing. On top of that my indigestion has been much worse and I find myself needing more water than usual and peeing more (sorry, tmi). Also, my breasts are extremely tender.

I know this was a long post and I know y'all can't tell me definitively if I'm pregnant or not, basically I just want some opinions if you think it's all in my head or if it sounds like it's possible.

Thanks ladies!