The genital tubercle or “nub” is fetal tissue that may build right into a penis or perhaps a clitoris because the pregnancy progresses. Nub theory says if you can get a good examine this nub on an ultrasound, you might be able to ascertain the intercourse of a fetus at https://eduardoudmuc.oblogation.com/26869420/little-known-facts-about-week-12-gender-prediction