Do you have to take your pants off for a colonoscopy?

Doing colonoscopy generally need to take off all the pants, because colonoscopy needs to enter through the anus, so you need to take off your pants to expose the anus.
Colonoscopy is divided into ordinary colonoscopy and painless colonoscopy, which is a commonly used clinical test to assist in the diagnosis of gastrointestinal pathologies, such as gastrointestinal bleeding, intestinal polyps, colon cancer, Crohn’s disease, etc.; it can also be used for the treatment of certain diseases, such as hemostasis of hemorrhage under colonoscopy and polyp removal under colonoscopy.
Before the colonoscopy need to fast for 6 to 8 hours, the day before the examination can not eat leeks, loofah and other coarse fiber food, should eat thin rice, steamed bread and other low-fiber, non-slag food. During the examination, the pants should be removed and the anus exposed so that the doctor can insert the colonoscopy probe slowly from the anus so as to observe or treat the intestinal mucosa.
Strict adherence to medical advice is recommended during colonoscopy.