Stacking is when there's a little bump on top of the nub and nearly always indicates boy, I do also think your nub has a slight angle to it too.
I'm having a boy this time and he had stacking on his nub, I had never heard of it before then either
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.