From what you are describing sounds like a yeast infection, You can see a doctor which can perfrom a simple test to determine this and can clear this up. If there is a chance you may be pregnant, they can run a test at that time too.
You can read more about it here
http://www.umm.edu/ency/article/001511.htm
Good luck, if you need anything else please feel free to ask.
Edited by eidnil on August 31 2005 at 3:59 PM