what is the nub theory?

Question

And can you tell me what mine would be based off of it? This was taken at almost 13 weeks

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I'm going to say girl based off nub theory

Answer

The nub theory is the angle of the private area. The bone has to be less than 30 degrees to be a girl.

According to the skull theory, I would say boy.

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Also, I could post a closer up pic of just the full body side if needed

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