Where used:
| Class | TOBACCO USAGE | has an attribute SMOKING STATUS FOR MATERNITY |
| Data Element | MOTHER CURRENT SMOKER AT BOOKING INDICATOR | references in description SMOKING STATUS FOR MATERNITY |
| Data Element | SMOKING STATUS (MOTHER AT BOOKING) | references in description SMOKING STATUS FOR MATERNITY |
| Data Element | SMOKING STATUS (MOTHER AT BOOKING) | is the data element of SMOKING STATUS FOR MATERNITY |