Yeast infection or BV?

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hi, hoping someone can give some advice. I've been experiencing an extreme amount of itching and discomfort along with an awful lot of thick, clumpy, off white/yellow discharge. I also had a look inside my vagina and it was completely covered in this white stuff along the walls of my vagina. I cannot go to the doctor at the moment due to coronavirus outbreak so im wondering if anyone could shed some light on whether this is a yeast infection or bv or anything else? i was tested recently for std's and all clear.

it looks and sounds like bv bacteria vaginosis .