Secondary Sexual Characteristics in a Preteen

A 12-year-old male presents with his father for a routine Whelchel visit. The father asked to speak to you privately, as he's concerned that his son is, quote, showing some body changes. Close quote during the visit, the child is alert, interactive with physical exam findings consistent with Tanner's Stage three sexual maturation. He remains on his growth curve for height and weight. When discussing these findings with the father, which of the following is the most accurate statement?&n...