Nub or a hand?

[Chels29]

Hi :)
Had my dating scan last week. Although we are going to wait until delivery to find out the sex, I do enjoy a bit of guessing! So not sure if a nub is in this pic. Not sure if those lines by his/her toosh is a hand or a nub! Guesses? :)
13+3 weeks

[lala22]

What you're seeing isnt the nub however it looks like MAYBE there is a nub higher up and it looks girly

[Mulberry Smurf]

Can't make out a clear nub there sorry xx