BackgroundThe gonadotropin-releasing hormone (GnRH) stimulation test is the gold standard for confirming activation of hypothalamic–pituitary–gonadal axis in central precocious puberty (CPP). However, it time-consuming and costly. Our aim was to search a simpler diagnostic modality CPP by 1) evaluating performance basal serum luteinizing (LH), 2) constructing practical scoring system, 3) determ...