Just found this report about accuracy of angle of the dangle/

[lena]

Now that I have had a scan I have become obsessed with finding out the sex of bub. I have been told boy by everyone and I was so hoping girl so I went looking for accuracy and I found this site. I hope its ok to post this here.

http://www.baby2see.com/gender/study_ultrasound.html

[CapricornAquarius]

That was intetesting, thanks.
Hope you get your girl!

[rainbowflower]

thanks for sharing, so it's more accurate than they claim at 12 weeks, but slightly less at 13 weeks. However, 90% is still pretty good at 13 weeks!

[nuthinbutpink]

11 weeks is very early and there is way more room for error than 12 or 13 weeks!