Drink 1.5 litres of clear fluid 1 hour before the exam, then refrain from emptying your bladder. Your bladder must be full for this exam. Expect to be at the clinic for a total of 30 minutes to 1 hour for this exam.
Drink 1.5 litres of clear fluid 1 hour before the exam, then refrain from emptying your bladder. Your bladder must be full for this exam. Expect to be at the clinic for a total of 30 minutes to 1 hour for this exam.