I've already been to a ton of doctors (2 general practitionners, 2 dermatologists, 1 endocrinologist). I can tell you nobody cares about a balding 19 year old who stopped growing when he was 14. Maybe if my parents had taken me to the doctor back then... but well they are morons and they didn't.
Anyway, I've had my thyroid tested (TSH T4 fine), my pituitary (LH FSH fine, ACTH PRL cortisol slightly elevated but my doctor said it was normal and probably due to stress, SHBG fine but near the upper limit) and testosterone fine but near the upper limit too. White and red blood count are fine too.
The doctors did not test for growth hormone though so I'm going back Tuesday to ask for a IGF-1 and IGFBP-3 test.
Because there is nothing unusual about it. It's called **** genetics and early puberty. Welcome to the real and unfair world. Now you can either sit around and b**ch about it or take action and save your hair.
You're 19 years old, which means your bone age is likely around that too and that means your vertical growth plates have fused a long time. Even if you were to get growth hormone (which you aren't you are way too old) you wouldn't grow much if any at all.