Nub theory [10]: A method of intercourse prediction that requires inspecting the angle of the “nub”, a shortened name for the genital tubercle, which is the early advancement with the genitals in fetuses. If their nub is pointing up in the direction of their head, at an angle larger than https://nub-theory-ultrasound-pic00987.blogolenta.com/24711370/ramsi-theory-no-further-a-mystery