NIPT test for gender

How accurate is NIPT for gender? Mine came back girl that I had at 10weeks 2days.

I had my 29 week scan a couple of weeks ago and she said she would double check but didn’t end up telling me. Of course bubs room is now finished and I am freaking out that they didn’t tell me from looking at ultrasound.

Is NIPT super accurate when done at the right time?

From a stressed first time Mumma to be

This is my 12 week scan

12 weeks between legs, thing you can see on the middle was not a penis (was told my ultrasound tech)

This is my 20 weeks scan