Its a...

Surprise!!!
I told you we weren't going to find out, hehe.
The following shots are from today, the baby is 18 weeks old today.
The nurse said she thinks the baby is about 9 ounces and 8 inches long.

This shot is of the baby's face...

A profile shot...Another profile shot showing the baby's spine...

And last, a shot of the baby holding his/her hand to his/her mouth...

Dr. said all looked good! Thank goodness, :)