your baby is very well protected. Very well. It's not in an eggshell.There are plenty of places to ride where you aren't playing tag with vehicles.

Here are the old threads.
http://forums.teamestrogen.com/showt...ight=pregnancy

http://forums.teamestrogen.com/showt...ight=pregnancy

in addition, here are other pregnancy cycling discussions...

http://www.ridemonkey.com/forums/sho...d.php?t=123236

http://forums.mtbr.com/showthread.php?t=102361