# What is direction of Nub in pregnancy?

## What is direction of Nub in pregnancy?

Nub theory, explained Nub theory revolves around something called the genital tubercle, which forms early in pregnancy on the lower abdomen of your baby. Eventually this tubercle, or “nub,” turns into a penis in male babies and a clitoris in female babies.

## Does a stacked nub always mean boy?

For example, most companies will see a “stacked nub” and instantly predict that the baby will be male, however the angle plays a huge part in this analysis and if the nub appears stacked but the angle is parallel then the baby is female. (stacking does not mean boy!)

Can a stacked nub be a girl?

If the baby has been captured facing slightly more to the left or to the right of this, the image can “disfigure” the nub making it appear bulbous and or stacked. However, a trained nubber will be able to differentiate the female stacked nub, vs the male stacked nub.

Can they mistake a girl for a boy on ultrasound?

While gender prediction is much more accurate during the 20-week ultrasound, there’s still a chance it can be wrong.

### How accurate is nub theory 12 weeks?

Nub theory is about 97 percent accurate, but only when performed by a trained scientist or doctor at 13 weeks or later, research indicates. But if said trained professional tries nub theory at 11 weeks of pregnancy, it’s only around 70 percent accurate, and when done at 12 weeks, it’s about 85 percent accurate.

### Can u tell gender at 12 weeks?

Blood tests to screen for certain conditions can tell us gender after nine weeks. At 12 weeks, we may be able to use ultrasound to determine gender based on the angle of the genital tubercle.

What does the angle of the nub on a scan mean?

The scan must be in profile view in order to allow viewing of the spine and the nub’s relationship to it.  This angle is directly related to whether the child will be a boy or a girl. If the nub is angled greater than a 30 degree angle in relation to the spine, it is likely a male fetus.

What is the nub theory and why is it so popular?

The Nub Theory is all about something called the genital tubercle, or a ‘nub’. All babies have this between their legs and it develops between 11-13 weeks, turning into a penis in males and a clitoris in females.

## Does the nub of the baby’s spine point up or down?

The nub isn’t pointing up more than 30 degrees from the baby’s spine – in fact it’s almost horizontal – so believers would say this showed the scan to be a little girl. The nub is at a much steeper angle upwards from the spine, indicating that this could be a baby boy.

## What does the nub theory look like on an ultrasound?

To be able to apply the Nub Theory your baby needs to be in a clear profile position, so the length of their spine is visible. The nub is at a much steeper angle upwards from the spine, indicating that this could be a baby boy. Now, we’re not sure what 30 degrees looks like on an ultrasound.