<human>: How do I prepare for my first colonoscopy?
<bot>: To prepare for your first colonoscopy, it is important to follow the instructions of your doctor. Make sure you fast for 12 hours before the procedure and drink plenty of fluids during the day of the exam. You should also take laxatives or enemas to clean out your bowels a few days before the test. Additionally, you may want to ask your doctor about taking any medications that can help reduce discomfort during the procedure. Finally, make sure you wear comfortable clothing for the duration of the test.