There were 39 patients in the group of central precocious puberty(CPP). The levels of FSH and LH in CPP group significantly increased after LHRH 30 minutes injection. The ratio of LH/FSH was higher than 1.The peak level of LH was higher than 12 IU/L.

• 中枢性性早熟(CPP)组39例LHRH注射30 min后FSH和LH明显升高(Pa<0.；01)；LH/FSH>1；LH峰值>12 IU/L。