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8/17/2011

Constipation has a number of symptoms, but to meet the clinical definition, two of the following five symptoms must be present for at least 12 weeks during the past year: lumpy or hard bowel movements, straining during a bowel movement, a feeling of incomplete evacuation, fewer than three bowel movements per week and a feeling of blockage in the rectum. -- National Digestive Disease Information Clearinghouse

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