Awesome animation of conception to birth!
http://www.youtube.com/watch?v=tvikQMfKPxM
Call me hormonal, but I actually cried watching that, thinking to myself, "That's where my baby is right now!"
And now, for a fun question:
From what you know of embryonic/fetal development, what do you think is the coolest part?
For me, its that my baby has/had a tail (its disappearing currently). My little tadpole