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Type 1: Separate hard lumps, like nuts (hard to pass)
12% (1468 votes)
Type 2: Sausage-shaped, but lumpy
7% (896 votes)
Type 3: Like a sausage but with cracks on its surface
9% (1062 votes)
Type 4: Like a sausage or snake, smooth and soft
23% (2755 votes)
Type 5: Soft blobs with clear cut edges (passed easily)
9% (1154 votes)
Type 6: Fluffy pieces with ragged edges, a mushy stool
32% (3945 votes)
Type 7: Watery, no solid pieces. Entirely Liquid
8% (938 votes)
Total votes: 12218
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Bristol Stool Form Scale
01/25/2009 - 17:09The Bristol Stool Form Scale or Bristol Stool Chart is a seven group classification of the form that appears upon defecation of human feces. It was developed by Dr. K. Hering at the University of Bristol and was first published in the British MedicalJournal in 1990. The form of the stool depends on the time it spends in the colon. Although not an exact science, the scale is used to help a physician recognize stool patterns for the purpose of diagnosiing digestive conditions.