Popularly, it is most often construed to mean the life expectancy at birth for a given human population, which is the same as the expected age at death. However, technically life expectancy means the expected number of years remaining to live, and it can be calculated for any age.
Try not to worry if you've been referred for a colposcopy. It's very unlikely you have cancer and any abnormal cells won't get worse while you're waiting for your appointment. What happens during a colposcopy. A colposcopy is usually carried out in a hospital clinic. It takes about 15-20 minutes and you can go home the same day. During the procedure:
1 Answer. 0. A typical Gastroscopy can last anywhere from 15-20 minutes on average (plus recovery time of about 30 minutes). The whole process should last no more than 1.5 - 2 hours. A typical Colonoscopy can last anywhere from 20-30 minutes on average (plus recovery time of about 30-45 minutes). typical Gastroscopy can last anywhere from 15-20 minutes on average (plus recovery time of about 30 minutes). The whole process should last no more than 1.5 - 2 hours.