| Value | Category | 
|---|---|
| 10 | Large | 
| 11 | Very large | 
| 12 | Larger than average | 
| 20 | Average | 
| 30 | Small | 
| 31 | Smaller than average | 
| 32 | Very small | 
| 97 | Don't know | 
| 98 | Missing | 
| 99 | NIU (not in universe) | 
| var_concept.title | Vocabulary | 
|---|---|
| General maternal and infant health Variables -- TOPICS | IPUMS |