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.
If your baby is in a bottom-down position, this is called breech position. If your baby is head-down, but with the back of his head towards your back, this is called occipito-posterior position. In the ideal head-down anterior position, your baby fits snugly into the curve of your pelvis. During labour, your baby will curl his back over, and tuck his chin into his chest. Your labour and birth is more likely to progress smoothly if your baby is in this position, because: