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:
A test called sigmoidoscopy shows only the rectum and the lower part of the colon. Before this test, you will need to clean out your colon (colon prep). Colon prep takes 1 to 2 days, depending on which type of prep your doctor recommends. Some preps may be taken the evening before the test. For many people, the prep is worse than the test.