how often should you get a colonoscopy
Your doctor may suggest you have a colonoscopy every 5 years. But if you then have a colonoscopy that finds no polyps at all, you may be able to stop this screening. If you've had 3 or 4 polyps, or at least one that was more than 1cm across, you have a moderate (intermediate) risk of bowel cancer.olyps in the bowel. If you have had polyps removed from your bowel in the past, your doctor may suggest that you have a sigmoidoscopy or colonoscopy every so often. This is to pick up any more polyps before they develop into an invasive cancer.