Cystitis-like Pain Cloudy Urine, Very Slight Cystitis-like Pain, And More Vaginal Discharge?

Cloudy urine, very slight cystitis-like pain, and more vaginal discharge? - cystitis-like pain

Ideas? It is very unlikely that an STI, I made a sexual health check are (Full In addition to the blood test) in October and another rack (only) in early December. I have recently changed sexual partners.

What are other reasons for these symptoms, with the exception of sexual transmission?