I have this white, sort of chunky film on my inner labia. It's doesn't burn or itch, and it doesn't smell that different, but I want to know what it is. Is it an STD? I'm not sure. It started around the time I started the pill about a year ago. Since then, I've had unprotected sex, but my partners all assured me that they didn't not have STDs, and I knew at the time that I didn't. I wash properly, but it keeps coming back. I don't think it's from my vagina opening because it's not on my underwear. Any ideas?