I am seventeen years old , femail. I am sexually active with my boyfriend of three years and just resently I have had a really bad foul smelling Oder to my discharge it is a watery milky discharge and it dries yellow and my boyfriend says it taistes really horable. Sometimes I get verry light hardly noticeable cramps.. I have had a yeast infection before and it was a different smell than now so I don't think it's a yeast infection . I am really afraid about what it might by and afraid to tell my mom . What could be wrong with me ?

You're going to have to tell your mom or dad. Your next stop should be your doctor to find out what this is before it gets worse and hurts any of your organs.