Which 'bit' is the nub?

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Any help (and guesses) gratefully received!? :)

This looks too early. What's your gestation? Nub guesses are only 12-14 weeks.

12+6 this was my dating (nt) scan

Looks girly

I have zoomed in and the head is missing lol perhaps that's why it looks odd?

Thanks! I'm really hoping there's a chance it may be a girl! I have all boys!! I'm just so confused as to which bit is the nub!
Could the boy bits be hiding? Or would this angle definitely show it?
Thanks so much in advance!

Very girly xx

The nub (in bottom pic) is the two white lines (darker on bottom, lighter on top) protruding out above the baby bum bump. They are rather clear in this pic, so no, I doubt anything is hiding. I'll be surprised if baby is a boy, the nub is very girly.

Wow! Thanks! Thanks so much!!