Guide to pregnancy preparation for colonoscopy under general anesthesia: Understand the importance of colonoscopy under general anesthesia before pregnancy preparation 1. What is pregnancy preparation under general anesthesia for colonoscopy? Pregnancy preparation refers to the process of preparing for pregnancy, and colonoscopy preparation with general anesthesia is the method of using general anesthesia during colonoscopy before preparation for pregnancy. Pregnancy preparation under general anesthesia for colonoscopy can help