What is the best week to do an ultrasound to find out the sex of the baby?

What is the best week to do an ultrasound to find out the sex of the baby?
Question by tuken: What is the best week to do an ultrasound to find out the sex of the baby?
I"m 17 weeks pregnant. Did an ultrasound when 16 weeks but the picture is blurry. The obs said around 5 months that we could be able to tell if it's a boy/girl. To those who are pregnant or have kids, when did you found out? Please response =)
Best answer:
Answer by keevelish
They typically check during the midpoint

do an ultrasound to find out the sex of the baby