Gas can just feel like pressure. It also may just be the crampy feeling of your uterus stretching. It was uncomfortable for a few weeks for me at that time too. I don't think you have anything to worry about unless you feel strong crams and have bleeding-but if you're worried, call your doctor's office & get some reassurance.
I don't think it's the baby I've just not had that I'm not bloated I've actually lost 4 pounds since my last visit and I'm kinda worried.
It may just be gas bloat. You don't have to actually pass gas to have gas in your intestines causing you to feel bloated. At 9 weeks, your baby is the size of a raspberry. It is just about impossible that you are feeling it in there.
I bet you feel your baby. :) I'm a second time mom n I swear I feel it too n I don't have gas like that either. I'm 9weeks 2 days.