I think boy, it’s a bit bury but from what you can see the nub looks raised to me and skull is also more square instead of rounded which also indicates boy 🩵
I think girl
Me  6th of November :) I know mine is a boy because I did a NIPT test. No idea about nub theory though sorry 🫣
I’m 6th of November 😊 but have no idea about nub theories sorry 😂 x