Hi I'm 16 years old, about 5'5" and around 130pounds. Lately I have been experiencing weird vaginal discharge. This includes a clotty, dough-like discharge that smells...weird, I can't quite identify the smell but it isn't very pleasant. Also, every now and then it get itchy around the opening of my vagina. I have had sex recently, about a few days ago. The guy has had a generous amount of partners, so I'm not sure if these are std symptoms? I've had these symptoms for about a month (have been sleeping with this guy for about a year and a half) and the symptoms died down for awhile, but as soon as I had sex again they were back. I've had uti's and yeast infections before and I don't think it's that. Also, the discharge is white but there's a liquid that dries yellow. No pain while urination or no abdominal pain. Haven't gotten my period yet, couple days late.