Nub theory [10]: A method of sexual intercourse prediction that involves examining the angle in the “nub”, a shortened name with the genital tubercle, which can be the early progress with the genitals in fetuses. If their nub is pointing up in the direction of their head, at an angle https://ultrasound-gender-predict32210.thenerdsblog.com/33340214/getting-my-ramzi-theory-ultrasound-to-work