12+1 skull (not sure if you can see the nub)

Hi all
Just wondering if you can give me any guesses on baby? 12+1

I cant see any clues, sorry!

Thank you

Can't see the nub but boyish skull x

Thank you :) ive got a daughter but would like a son for my partner but i honestly dont mind if its a boy or girl aslong as he/she is healthy x