Objective: The purpose of this investigation was to compare the levels of GH, IGF1, insulin, estradiol, serum lipids and CBC between prepubertal female athletes and non-athletes.   Materials & Methods: Experimental group included 15 prepubertal gymnasts (10.89±1.6 y, 141.73±12.26 cm, 34.93±6.84 kg), 7 prepubertal fighters (12.14±2.03 y, 146.71±5.79 cm, 38.29±5.06 kg), 11 prepubertal swimmers ...