Why am i losing my hair in this pattern?

heres a bad sketch of that my hair is starting to look like at age 23.....





http://tinypic.com/r/ve0wvc/4





almost horseshoe-shaped





the dotted area is where my hair is thinning.


why is this happening at such an early age?


i dont encounter too much stress in my life to make my hair fall out... what else could it be?Why am i losing my hair in this pattern?
oh good lol, i thought a girl was losing her hair like that.


It is very possible that you just have a gene in you for baldness. My uncle had a thick head of hair until 25 when he want bald in about 3 months.Why am i losing my hair in this pattern?
You could be balding. I'd see a doctor.