hrp0084p2-522 | Puberty | ESPE2015

Effect of Specimen Repeated Freeze-Thaw Cycles on Urinary Gonadotropin Determined by Immunochemiluminometric Assays

Ma Yaping , Xu Zhuangjian , Hu Yu , Zhu Wenying , Wang Qing

Background: It remains unclear whether specimen repeated freeze-thaw cycles can influence urinary lutenising hormone (LH) and follicular stimulating hormone (FSH) assayed by immunochemiluminometric assays (ICMA).Objective and hypotheses: To investigate the effect of specimen repeated freeze-thaw cycles on urinary LH and FSH determined by ICMA.Method: The first morning-voided urine was collected and divided two parts. One part was s...