Endocrine Changes of Puberty See later: • Fetal Endocrine Function • Neonatal Endocrine Levels • Gonadotrophin Levels in Puberty • Hypothalamo–Pituitary–Gonadal Axis in Puberty • Patterns of Gonadotrophin Release • Gonadal Steroids in Puberty • Adrenal Androgens in Puberty • Other Hormones in Puberty • Developmental Control of Puberty • Diurnal Variations in Gonadotrophin Secretion • Pubertal Response to GnRH Administration