This link has a video that shows how the fetus's face develops.
I find this stuff so cool. Because of the bleeding I experienced in the beginning (all good now!) I've already had 5 ultrasounds - the first showed nothing (scary), the second showed a speck inside the sac, the third a blob, the fourth a mushroom looking thing, and the fifth, at the NT scan, a little creature with a face, and arms, and legs, stretching and moving.
It's amazing how so much could change in only a few weeks, and that they could be so fully formed already in only three months. Can you believe we all started out as a tiny speck?
Re: This is so cool