There's no firm scientific investigation to bear the nub theory out, and it is vitally unlikely the person carrying out your scan are going to be drawn on it (or your findings! This is yet another unscientific gender test theory and a simple Do-it-yourself experiment depending on outdated wives’ tales. https://ramzi-ultrasound11098.bloggosite.com/34608494/the-smart-trick-of-ramzi-theory-reviews-that-nobody-is-discussing