Nub theory [10]: A method of sexual intercourse prediction that consists of inspecting the angle in the “nub”, a shortened identify for that genital tubercle, which happens to be the early progress of the genitals in fetuses. Shop products and solutions from modest business makes marketed in Amazon’s retail store. https://week12genderprediction78877.answerblogs.com/27873830/ramzi-theory-an-overview