These are completely normal, I believe they are just glands. every girl is different maybe some are more visible than others but I have them and I definately dont have an infection! Im alot older than you and I dont think you have anything to worry about unless they are itching.. if you are worried though, you should go to doctor they willl tell you its normal.
did you visit your GP ... cause any abnormality on skin is not a good sign
I was reading a lot of sites and girls even younger than me had them too and said it was normal. But STDs usually itch right? I don't itch what so ever or burn or anything. And I thought the public bathrooms was a myth?
Dont worry it might.be just an infection. You should go to the doctors.. and maybe if it is some std related they dont just come through sex also by using public restrooms. Buut you should check with the doc been 16 and having this is not normal