How likely is it PCOS?

Katie
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***EDIT*** OMG! When I post from my phone I have no proper punctuation on my posts. So sorry!***    😩.   I'm done with my work today and wanted some opinions/experiences. I WILL see a doctor if we keep getting BFNs (been four months TTC now). I really just want to see what you ladies think first. Just now learning of all these things. 
I'm 30. I'm 30lbs overweight. I have 29 day cycles, never more, never less. AF is always exactly 4 days long. I am fair with pale hair, but I get a handful of dark hairs on the corner of my chin I have to pull. Taking my bbt is useless since it is rocky-mountain like. My OPKs come back darker than the control line late afternoon on CD15 every month.
What do you think? Can anyone school me on PCOS or what else I need to look out for before I go in to get checked out?
Thank you for sharing your thoughts :)

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