| Is qualified by | Data Element | Data Element | Pregnancy-first day of the last menstrual period (QPDC DSR) | QH 042523 Version 1 | Current |
| Is used in conjunction with | Data Element | Data Element | Estimated date of confinement estimated indicator | QH 042528 Version 1 | Current |
| Is used in conjunction with | Data Element | Data Element | Pregnancy-estimated date of confinement estimated indicator | QH 042528 Version 2 | Draft |
| Is used in conjunction with | Data Element | Data Element | Pregnancy-first day of the last menstrual period | QH 040033 Version 2 | Current |
| Relates to | Data Element | Data Element | Female (pregnant)-estimated date of confinement | QH 040034 Version 1 | Current |