What is Skull Theory

Skull theory is the idea that you can determine the gender of a baby via ultrasound by looking at the angle or shape of the brow of the skull. It is said that girl have more of a pitch to their skull and boys have a more rounded skull.

skull1You can see in the image above that the brow on the male skull is a little more defined than that of the girls, while the forehead of the girl is less rounded.



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