Medically reviewed by Sonal Kumar, MDColonoscopy prep is complete once your poop is a light yellow with no dark particles.

The Bristol Stool Chart describes seven classes of poo. Yours should be a 3 or 4, like a long soft log that’s got the texture of ice cream. It should smell bad — but not that bad. Poop smells ...

But real quick, let us introduce you to the Bristol stool scale, a handy-dandy chart listing the different types of poop your body can make. They range from type one, hard lumps, to type seven ...