下丘脑-垂体-性腺轴( hypothalamus - pituitarygonad axis )是调节性腺、分泌性激素的三级轴心体系。下丘脑可释放促性腺激素释放激素( gonadotrophin releasing hormone , GnRH ) ,刺激腺垂体分泌促性腺激素[ ( gonadotrophin , Gn ) ,包括促卵泡刺激素( follicle stimulating hormone , FSH ) 、黄体生成素( luteinizing hormone , LH ) ] 。当外周循环血 ......