The idea behind nub theory is that if you can get a really good look at this nub, you can figure out which way it will go in the coming weeks. How can you predict gender from a 12 week ultrasound ...

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 ...

First, my soon to be born little boy at 12 weeks. I've put a red arrow in pointing to his 'nub', which as you can see is pointing 'up'. Some male foetus shots I've seen have been pointing almost ...

The way the nub theory works is really simple really. You can use your 12-week scan (which determines your due date) as a tool for predicting the sex of your baby.

The accuracy can vary from 70.3% at 11 weeks to 98.7% at 12 weeks, and 100% at 13 weeks. Eleven weeks is the earliest that sex determination can be carried out with an ultrasound using a method ...

Parents-to-be are asking strangers to guess their baby’s sex by posting scan pictures online, in a wacky new craze sweeping the internet.

The idea behind nub theory is that if you can get a really good look at this nub, you can figure out which way it will go in the coming weeks. How can you predict gender from a 12 week ultrasound ...