The effect of diurnal variation on clinical measurement of serum testosterone and other sex hormone levels in men (cambridge.org)
Rising levels of testosterone and other sex hormones normally trigger the growth spurt that occurs during puberty and adolescence and provide the signals to stop growth as well. (fitnessandpower.com)
Progesterone is the precursor from which other sex hormones are derived, both the male hormone testosterone, and the female hormone estrogen. (askdrhelen.com)