The method by which the process of Labour began, or Delivery by Caesarean Section occurred.
Note:
- National Code 1 should not be recorded if a planned elective Caesarean Section is carried out, see National Code 2.
- If an unplanned Caesarean Section is performed after Labour has started code National Code 1, 3, 4, and 5 should be used as applicable.
- If the methods at National Code 3, 4, or 5 have been used to accelerate rather than induce Labour, they should not be recorded under these codes.
National Codes:
| 1 | Spontaneous; the onset of regular contractions whether or not preceded by spontaneous rupture of the membranes |
| 2 | Any Caesarean Section carried out before the onset of Labour or a planned elective Caesarean Section carried out immediately following the onset of Labour, when the decision was made before Labour |
| 3 | Surgical induction; by amniotomy |
| 4 | Medical induction; including administration of agents either orally, intravenously or intravaginally with the intention of initiating Labour |
| 5 | Combination of surgical induction and medical induction |
This attribute is also known by these names:
| Context | Alias |
|---|---|
| plural | LABOUR OR DELIVERY ONSET METHODS |
