Where used:
| Data Set | Maternity Services Data Set | references in description ONSET OF ESTABLISHED LABOUR TIME |
| Data Element | ONSET OF ESTABLISHED LABOUR TIME | references in description ONSET OF ESTABLISHED LABOUR TIME |
| Data Set | Maternity Services Data Set | references in description ONSET OF ESTABLISHED LABOUR TIME |
| Data Element | ONSET OF ESTABLISHED LABOUR TIME | references in description ONSET OF ESTABLISHED LABOUR TIME |