Possibly pregnant?

Andrea • 3👶🏻1🐶💚Army wife💍🇺🇸

I'm 7 DPO right now and not only is the wait alone killing me but I've also had flu like symptoms the last 4 days now. I'm super exhausted, body aches, lower back pain, and bad headaches, could this be a sign I could possibly be pregnant or is just me that thinks that