Format/length:	n1
HES item:	BIRORDER
National Codes:
Default Codes:	8 - Not applicable
	9 - Not known: a validation error

Notes:
This 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. 

This data element is also known by these names:

Context	Alias
plural	BIRTH ORDERS