Perimenopause and testing vaginal ph levels?

Hi all, I'm 46 but still get my periods, safe to assume that due to my age i'm still peri.

I've been having symptoms for about 5-6 months now: burning when peeing and in between, and a slight white discharge. No smell at all. I tried at home yeast kits several months ago, I don't think they did a thing, but can't be 100% as the symptoms do come and go the whole time. I tried boric acid pills, took at least 24. Tested with at home ph kit, get 5.0 ( about).

Is this bv, perimenopause or what? How do you test ph at home during perimeno?

Thanks!

Btw, I did have unprotected sex with a guy who was “snipped” (don’t remember what its called). This lasted about 7 months.