Nub Shot at 12 weeks, 6 days. Any guesses for gender?

Here is baby's nub shot at 12 weeks and 6 days. Are there any guesses whether this is a boy or a girl nub? Thx for responding.

I'm leaning boy.

thinking boy

:DD:

Can't really see nub but skull looks girly.

boy

:DS: x

I'm 50/50 on this one.

boy

Boy!!