Are these sign of PCOS?

Erika
I started growing excessive body hair on my lower abdomen when I was around 10-11. It's really thick, and looks like a males "happy trail" or whatever it's called.
  I started my period when I was 11, and I am currently 15. My period is sometimes irregular and I sometimes miss a whole period. 
I am also a little overweight, but I don't know if that would be connected to this. Thank you for all the help and answers. I don't have a female figure in my life so I really appreciate it! :) 

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