What is the earliest you can see the gender on an ultrasound?

What’s the earliest you can tell the sex on an ultrasound? I have an ultrasound Monday and I’ll be 18 weeks but I heard that can be too early…


I found out at 16 weeks exactly

I found out at like 14 weeks. Confirmed with blood test

I found out 15 wks…it took multiple techs and 2 docs to predict…but they all got it right!