One of my sisters-in-law found out @ 13 wks, she's having a girl and my other sis-in-law found out @ 14 wks that she's also havin a girl. Now, one is 29 wks & the other is 28 wks & they are still havin girls!
yep they can as early at 13 my OB told me I was having a girl and boy at 15.3 weeks and so far still am
Brandi 22.5 weeks (twins)
It all depends on the u/s tech. and if they feel like they know(forsure)