I mean, it is an organ. Just the day’s must, that’s all :) mine gets a little funky sometimes too

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You have a lot of sweat glands down there it’s probably just sweat mixed in

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In general, it’s a moist body cavity, so it’s going to have a smell. It has its own self cleaning system and flora! If it changed recently, that can indicate a change in pH, some irritation, an infection, etc. That can happen from diet changes, over cleaning, dehydration, or exposure to something external. Did the smell change or are you just asking in general?

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