| parent | OB.US | LP7830-5 |
| child | Study observation.general.limited | Fetus | OB ultrasound | LP416331-9 |
| child | Study observation.general.limited | Fetuses | OB ultrasound | LP416332-7 |
| STATUS | ACTIVE |
| PartDisplayName | en-US | Study observation.general.limited |
| DisplayName | en-US | Study observation.general.limited |
LOINC Version: 2.78