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Sigmoidoscopy: Step 1

A person having a sigmoidoscopy

You will lie on your left side with your knees pulled up to your belly. The doctor will gently put the thin, flexible sigmoidoscope (scope) in your anus and move the scope slowly through your rectum and lower colon.

Current as of: December 17, 2020

Author: Healthwise Staff
Medical Review:
Adam Husney MD - Family Medicine
Kathleen Romito MD - Family Medicine
Arvydas D. Vanagunas MD - Gastroenterology