What IGF-1 Levels Needed Before HCG Prescription?

[readalot]

I’d check out the paper above and refs below:

Percentiles vs age:

Fake HGH from Clinic

[image] FIG. 2 Individual points and fitted percentiles for males (right side) and females (left side). Displayed are the 2.5%, 25%, 50%, 75%, and 97.5% percentiles calculated by quantile regression via vector generalized additive models (LMS VGAM method).