BIRTH ORDER

Format/Length:n1
National Codes: 
Default Codes:8 - Not applicable
 9 - Not known: a validation error

Notes:
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.