Researchers have measured the nuchal folds of thousands of babies between 11 and 14 weeks of pregnancy. Because a babyâs nuchal fold will normally get a bit thicker with each day of gestation, theyâve been able to establish what an average thickness is for each day during those three weeks.
The Day of the Procedure. You should not eat any food on the day of the procedure, and you shouldn't eat or drink anything between two or three hours before your colonoscopy. Once the procedure is finished, your doctor will give you instructions about resuming your normal diet.
Foods To Avoid Before Colonoscopy (up to 4 days) -Diet Before Colonoscopy Bowel Preparation: 1  Stop eating fiber and stop taking fiber supplements. 2  Limit your coffee drinking, alcohol consumption as well as chocolate consumption.he last step in following the diet before colonoscopy bowel preparation is the day of the colonoscopy and you can drink up to three to four hours before the procedure.