thank you all! My doctor is very supportive about exercise, and I trust him, but it's good for me to hear your experiences and advice too, since I know you 'get' it (bumpiness wise). I definitely didn't feel pregnant/belly interference yet at all on my last ride, so I'll use that and maybe the 6 month mark to move from singletrack to the good ol' MUT/bike path. (after additional consultation with the doc, of course).

This December due date thing should work out pretty well, I got in the whole spring season and maybe most of the summer, and then I hope I'll be back in the saddle by the time it gets warm in spring woohoo!

thanks for the well wishes!