What's going on with my body??!

B • Proud USAF wife, deployment survivor, TTC baby #1, and DIY obsessed!
I am a couple days late, I'm nauseous and have taken 4 HPT and they're all BPN. WHAT IS GOING ON????! I don't have any indication that I'm on my period. I had a cramps the day it was suppose to start but nothing since then. I'm so confused!!