Each column generally represents a single variable; however, one variable may span several columns. At the most basic level, a codebook describes the layout of the data in the data file and describes what the data codes mean. Codebooks are used to document the values associated with the answer options for a given survey question. Each answer category is given a unique numeric value, and these unique numeric values are then used by ...
The fetal attitude describes the position of the parts of your baby's body. The normal fetal attitude is commonly called the fetal position. 1  The head is tucked down to the chest.  The arms and legs are drawn in towards the center of the chest.
A breech positioning of your baby should not concern you as much especially if you are in the early stages of your pregnancy. Most breech babies are known to turn to the head down position during the last weeks of the pregnancy.hen you are 30 weeks pregnant, your baby should be in a cephalic (head down) position. Unfortunately, this is not the case for at least 25% of expectant mothers.