Nice shot. She looks ready to pop. I like the outie belly button. I would have moved her just a hair less profile though. The belly button is almost tangent. A minor move. Also I would throw some kind of light on the background. It would add more depth to the shot. Good contrast and lighting on the model.
I love this photo. I really like all of your work. I am new to this site and when I reviewed your portfolio I fell in love right away. My style is a lot like yours. I love shooting my kids and the least expected moments of their lives. I will be doing my sister in laws maternity photos next month, I can only hope they turn out half as well as yours! Very nice portfolio!!! j