Nub theory?! πŸ’™πŸ’—

Sarah β€’ Model, fitness & food lover. First time mummy to be πŸ‘ΆπŸ½my princess is due October 21st 16..πŸ’•πŸ’•
Hi ladies! Has anyone been following the nub theory? As soon as I got pregnant everyone obsessed with the idea that I'm having a boy ( funny how everyone knows πŸ€” ) but I've been looking at the nub theory and this would suggest it's a girl? Any ideas? This was my 12 week scan πŸ‘ΆπŸ½πŸ’‹