Something's Wrong

So, Saturday morning started out fine. My brothers and I had to help my dad and uncle herd some cattle across the road and into a catch pen. I was fine, did some running around and everything. Then, when I got home mid afternoon and sat down, it was like my uterus decided to fucking attack me. Just cramps. Really bad ones. I never get cramps. Ever. So, this was completely new. I couldn't get up without someone helping me to my feet or unless I rolled onto my side to push myself up. It was like I had no stomach muscles for two days. Then, Monday I was feeling better and Tuesday better still.
Then, this morning I go back into work at 10, and it's about 10:30 and my boss calls a little meeting, and as I'm standing there, my heart starts beating a 100 miles per minute. It was terrifying actually. There was nothing to start upsetting me, so I don't know why it did that. But, then I started to get light headed and started to feel like I was going to throw up. I ran into the bathroom and just sort of crouched on the floor holding my head for a few minutes. I got really pale really fast, was shaking, and clammy. They sent me home.
Everyone keeps asking if I'm prego. I don't think so, but who can know for sure? I'm on my period now, so I shouldn't be. But, I'm just really scared right now.
Got a doctor's appointment next Tuesday morning.

End