3 lines hamburger

At 31 weeks it's very enlarged so it not longer images as 3 lines . It's more two full buns lol

Also this image isn't clear for gender

Think the legs are too close together. If you could guess would you go girl or boy?

Definitely too close. What was earlier scans like? Any for nub 12 / 13 w or 20w?

I have no 20 week scan pics as the baby was in an awkward position, and 12 week showed no clear nub sadly