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.
Most posterior babies rotate to an anterior position during labour, with the right support (Simkin and Ancheta 2011, Warren 2012) . When your baby gets to the bottom of your pelvis, he'll need to turn through almost 180 degrees (halfway round a circle) to get into the best position. posterior position is where your baby has his head down, but the back of his head is against your spine. By the time labour starts, about one baby in 10 is in this back-to-back or posterior position (Warren 2012) . Most back-to-back babies are born vaginally.