is there a thread or website for me to learn about what looks boy and what looks girl nub shots?

tia!

http://genderdreaming.com/forum/ultr...-14-weeks.html

Here is another related site:
Embryo Development external genital sex organs - angle of the dangle boy or girl ultrasound gender scan - Baby2see

I feel like I know too much now! How will I keep mum on friend's 12 week scan pics?!