What happens during a colonoscopy? 

A colorectal surgeon explains what happens during a colonoscopy, a procedure which examines the large bowel, the colon or the rectum.

Find out about bowel cancer screening


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Video: having a colonoscopy

In this video, TV presenter Lynn Faulds Woods is having a colonoscopy to raise awareness of bowel cancer screening

If antenatal screening finds a problem

Next steps if screening tests show something might be wrong