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.
Letâs take a look at how the uterus changes in size, shape and location over your pregnancy. What is the normal position of the uterus? The uterus is roughly in the center of the lower abdomen between the navel and the crotch, and connected to both sides of the groin by round ligaments.