I used to have these patches too! I had them right on my bra line under my breasts and in between them. My mom and I didn't know what they were (I had them in high school) and neither of us had really heard of PCOS before so we didn't think anything of it. They went away after a while, I think after I started birth control. I didn't htink about them again until I started reading about PCOS (after I was diagnosed a few days ago) and realised that I had it. I could have been diagnosed earlier! LOL