According to nub theory one can determine the gender of a fetus according to the angle of the nub— greater than 30 degrees relative to the spine for males or parallel ... Gender Ultrasound Timing.

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 an unproven method for determining your baby's sex before the anatomy scan. ... Efrat Z, et al. (1999). First-trimester determination of fetal gender by ultrasound. DOI: https: ...

When the nub theory was tested on 656 singleton (one baby) pregnancies in a controlled study, it was possible to identify gender in 93% of the babies. Accuracy of Results ...

Nub theory: How to predict your baby's gender from the 12 week scan. ... This site has photographs showing the differences between the genitals and includes examples of ultrasound images.

One of them is the nub theory, which supposedly predicts the gender of the baby at just 12 weeks. The nub theory, also known as the angle of the dangle, looks at how your baby's spinal cord and ...

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 ...