The nub theory is all to do with all that age-old guessing game of whether you're having a boy or girl. It is a concept that explores how a fetus's reproductive organs develop and not based around ...

Nub theory is a fun way to make a slightly-better-than-random guess at your baby’s sex after your 12-week ultrasound. (Hey, it’s probably more accurate than peeing in a cup of salt water to ...

Research conducted in 2012 indicates that even when ultrasounds are read by professionals, nub theory is only accurate about 30% of the time on fetuses less than 11 weeks’ gestation.

Nub Theory. Nub theory revolves around something called the genital tubercle, ... Many different sources claim this method to be incredibly accurate, with some stating they found it be around 92% so.

Nub Theory. Nub theory revolves around something called the genital tubercle, ... Many different sources claim this method to be incredibly accurate, with some stating they found it be around 92% so.

The nub theory is basically about 'the angle of the dangle'. ... A scan at 12 weeks is around 75% accurate and at 13 weeks it's closer to 95% accurate. Advertisement.

“The nub and skull theory is the fastest-growing gender prediction technique simply because it is so social," said Lisa Lum, ... "While no non-medical technique is 100 per cent accurate, ...

The nub usually develops around 11 to 13 weeks. According to the nub theory, the baby is a male if the nub points to an angle greater than 30 degrees against the spine.

The nub theory is based on predicting a child's gender at just 12 weeks Credit: Getty ... nub theory is only accurate about 30% of the time on fetuses less than 11 weeks’ gestation.