Figure 1.

Total AMH (A), proAMH (B), and API (C) in boys aged 4–11 (n = 131) and men aged 24–90 years (n = 186). Note, the log‐scale of the y‐axis in (A) and (B). Significant differences between boys and men were detected for total AMH (P < 0.001), proAMH (P < 0.001), and API (P < 0.001). API is a measure of the relative proportion of uncleaved AMH as defined in the Methods. 1 ng/mL AMH = 7.14 pmol/L (pmole/L).