Feeling pregnant

So we just got home from the grocery store and all of a sudden, I felt a giant wave of pregnant-ness.
I had to get my bra off immediately because my nips felt like they were on fire, and the nauseousness came on with a bang. I felt this same way almost every single day of my first trimester before. I am also having some weird twinges on my right side, that started earlier tonight.
I sure hope its pregnant-ness.
I had to take two naps today. This fatigue is ri-donk.