I'm freaking out that I might have diabetes?

Okay so I don't have all the symptoms but I read that sometimes you gets pins and needles that I have right now (I'm not sure if that's from spending about 5 hours in heels last night though) and I've had itchy...pubes lol. Like not crabs, just really itchy skin around that area, but it's not persistent it comes and goes. I've not had the greatest diet since starting college so I'm wondering would that because it? Does any one have diabetes that had these symptoms? Thanks for your answers I'm kinda worried :/
I'm freaking out that I might have diabetes?
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