White stuff in underwear? girls question?

So i've been getting some white stuff in my underwear for about 2 years now but recently it's been really heavy, to the point where I have to change my underwear up to 4 times a day because it gets uncomfortable. I haven't started by period yet, and im 14 years old. I've heard of yeast... show more So i've been getting some white stuff in my underwear for about 2 years now but recently it's been really heavy, to the point where I have to change my underwear up to 4 times a day because it gets uncomfortable.

I haven't started by period yet, and im 14 years old.

I've heard of yeast infection but I heard that it's usually a yellow ish color and smells bad. (correct me if im wrong)
which mine isn't.

What could this be? and is there any way to stop it? :/

thanks for your time
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