I had one for the ds test and she told us she was 90% sure we are having a boy! We'll get our 20 wk anatomy scan next Tues and see if she was right.
With my first baby, I was 12 wks 5 days and they told me they couldn't see any boy parts. At 5 years and two months old, she's still the sassiest little girl I've ever know!! I'm 6wks and 4days with our second now and am eagerly awaiting our 12/13 week US!! Squeal!! Good luck!!
I would be very cautious of finding out gender that early.... I happen to work with an excellent sonographer and she doesn't attempt to tell people what they are having until their 18-20 week anatomy scan. 13 weeks is too early and there is a pretty big chance that it could be wrong!!
With my 3 year old I had a scan at 13/14 weeks and they thought I was having a boy. When I went in at 18 weeks they said nope definitely a girl. So I wouldn't trust or until 18 weeks.
Thank you all so much ladies!!!