Smell

This is pretty embarrassing but the past month or two I’ve noticed a not to nice smell coming from the inside of my vagina. Ive recently started only washing the outside with a lightly scented vag wash and have no irritation from it. But the smell won’t go away. I’m not sexually active, I take regular showers, and there’s no itching that would make me think it’s a yeast infection. I do have some white discharge but not an abundance of it. I also use a mensural cup if that helps any. Does anyone know what could be causing it? Or how to stop it?