>>40410920
Nta but Zhu et al. J Orthop Surg Res
(2021) https://doi.org/10.1186/s13018-021-02799-3 has some pretty good data (older menopausal women only in the sample but it’s probably pretty similar)

Picrel is chart with red smooth fit curve and blue 95% confidence interval. 50 pg/ml seems reasonable but do your own research. Just don’t be in the part that drops off a cliff xx