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HES Data Dictionary
| HES field name | Number of previous pregnancies | ||||
|---|---|---|---|---|---|
| Field | numpreg | ||||
| Class | Maternity | ||||
| Length and format | 2n | ||||
| Availability | |||||
| Description | |||||
|
This field contains the number of previous pregnancies that resulted in a registrable birth (live or still born). It appears on delivery records. In practice, numpreg1 has often been filled with the 'Not known' code, and the remainder have been left blank. |
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| Value | |||||
2n = Number of previous pregnancies, from 00 to 19, resulting in a registrable birth 99 = Not known |
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| Data cleaning |
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