I'm having a ultrasound done today for gender and I'm 15 weeks 4 days :)

I found out at 13 weeks too

We found out at 13 weeks

ultrasound u find out at 18 to 20 weeks

I found out at 11 weeks

you can find out with blood test at 11 weeks and as early as 16 weeks by US.

usually around 15/16 weeks