Congrats!!! I agree withe the boys are easier. I have 2 boys and one girl...I have to remind her she is not as old as she thinks she is...but I wouldn't change it for the world...they grow up wanting to be a princess and you get to raise one.
Just remember that she is probbably more nervous than you are so you need to keep yourself composed to get her through it. Prayers are with You, Erin, Bay and the newbie jeeper.