9 weeks minimal symptoms

I'm 9 weeks tomorrow and still have minimal symptoms. The biggest one is the exhaustion and bloating !! My lower back hurts but I have always had issues with my lower back. Anyway I can't help but feel worried since I don't really feel too different ! Anyone else in the same boat? I was so nervous at our first exam and we got to see the baby at 7 +3 and saw the heartbeat ( not hear it, she said it wasn't necessary) and I can't help but be anxious about our next one on the 15th!! Ahhh!