Cramping?

Knitterdre

Excited to be 9 weeks today, but feeling nervous : / this is the 3rd day in a row that I'm feeling tightness/cramping. I think some of it is gas, but some is just weird "pains" I've not felt before. I'm trying to put it off as my body changing, but a little freaky. This is our 3rd round of IVF and still very nervous, though we have hit some major milestones. It's so hard to wait til the 23rd til my next u/s!!!
Anybody else getting these cramps?