|Default Codes:||8 - Not applicable|
|9 - BIRTH ORDER not known|
BIRTH ORDER is the same as attribute BIRTH ORDER.
BIRTH ORDER records the sequence in which the baby was born, with 1 indicating the first or only birth in the sequence (i.e. singleton), 2 indicating the second birth in the sequence, 3 indicating the third, and so on.
Note: the Default Code description for 9 - Not known has been updated. The Data Set specifications that contain this item will be updated in the next version of the Information Standard where it is not already correct.