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.
Keep reading to find out more about the head position of your baby towards the end of your pregnancy. Mostly it's during 28 and 32 weeks of pregnancy. Your baby is more likely to turn his head down by the 36th week of pregnancy. This is not a set rule though because some babies will get into this position during the 28th and 29th week. Or, even some babies may position their head down just a few moments before the labor begins.