Hormones Before  operation After operation P-value Mann-Whitney FSH mIU/ml Lower limit Upper limit Median                             2.2 12.4 7.0 12.1 13.1 12 0.3827 LH mIU/ml Lower limit Upper limit Median 0.33 10.53 7.8 3.5 6.33 5.4 0.6625 Testosterone mIU/ml  Lower limit Upper limit Median 0.37 3.2 2.3 4.3 5.5 4.9 0.0809

Table 4: Hormonal assay of undescended testis before and after operation.