Modest weight loss can lower androgen levels, improve hirsutism, normalize menses, and decrease insulin resistance.
[aafp.org]
Untreated adult males usually have decreased bone density and muscle mass, decreased testicular volume (< 4 mL), erectile dysfunction, diminished libido and infertility.
[orpha.net]
Finally, infertility, erectile dysfunction, decreased muscle mass and body hair, smaller testicles, gynecomastia, osteoporosis, mood changes, and decreased cognitive skills
[study.com]