The nub theory would be the theory used to make a decision regardless if you are having a boy or perhaps a woman. Its the ‘angle in the dangle’. The genital tubercle develops into either a penis or clitoris and this can be done to check out from all around 12 weeks by analysing the ‘nub’ in relation towards the backbone along with other aspects like nub form.
The male infant could have a nub theory that angles upwards at 30′ or maybe more. The feminine child will have nub which is angled reduce than 30′ relative for the spine. In case your doubtful regarding how to study your scan, then gender predictors can let you know with levels of certainty, depending on your phase within the pregnancy, which sexual intercourse your baby is. This really is referred to as the Nub concept. Accuracy ranking increases a lot nearer to week fifteen (ninety nine.6% males and ninety seven.4% women).