<prompt> Answer this question truthfullyWhat is the initial evaluation for patients with precocious puberty and how does it help differentiate true precocious puberty from other benign pubertal variants?  <response>: <reason> The initial evaluation for patients with precocious puberty is to determine the patients bone age, which helps differentiate true precocious puberty from other benign pubertal variants, such as premature thelarcheadrenarche. 