pH vaginal

Does genital herpes change your vaginal ph? If it does does it make it high or low? Those that were diagnoised did your have a vaginitis culture done first? If you did was your lactobacillus species normal? 

Herpes pode causar ou está associado à vaginose bacteriana, o que significa um pH vaginal alcalino.

My ph was 4.0 durning my suspected yeast infection.  Still unsure herpes or yeast