Table 4 Testicular volumes – (W-ss)3 X 0.88 by genital stages equivalent to ultrasound W x H x L × 0.71
Stage | Age in years range | # of testes | Volume in ml quartiles (25% to 75%) | Minimum to maximum ml |
|---|---|---|---|---|
Stage 1 | ||||
1-a | 3.4 to 6.5 | 24 | 0.50 to 0.71 | 0.50 to 0.71 |
1-b | 7.2 to 8.7 | 24 | 0.71 to 0.77 | 0.60 to 0.96 |
1-c | 8.9 to 13.2 | 32 | 0.71 to 1.27 | 0.60 to 1.27 |
Stage 1 All | 3.4 to 13.2 | 80 | 0.71 to 0.96 | 0.50 to 1.27 |
Stage 2 | 10.0 to 15.0 | 34 | 2.68 to 4.00 | 2.16 to 6.52 |
Stage 3 | 11.4 to 15.0 | 22 | 5.48 to 6.42 | 4.64 to 7.47 |
Stage 4 | 11.7 to 16.9 | 44 | 8.27 to 12.32 | 6.13 to 12.32 |
Stage 5 | 13.0 to 17.5 | 38 | 15.47 to 17.32 | 10.71 to 21.46 |
Adult - All | 15.8 to 34.0 | 100 | 15.29 to 21.24 | 10.57 to 21.24 |