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European society for pediatric gastroenterology, hepatology, and nutrition CF working group definition for constipation in cystic fibrosis
| 1 | Abdominal pain and/or distension |
| 2a | Reduced frequency of bowel movements in the past few weeks or months |
| 2b | Increased consistency of stools in the past few weeks or months |
| 3 | Symptoms 1 and 2 are relieved by the use of laxatives |
Constipation: 1 or 2a or 2b and 3
