Status: current, Not sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jan 2002. Module: SNOMED CT core
Descriptions:
| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Monozygotic twins | Is a | Prenatal AND/OR neonatal state | false | Inferred relationship | Some | ||
| Monozygotic twins | Is a | Pregnancy, childbirth and puerperium finding | false | Inferred relationship | Some | ||
| Monozygotic twins | Occurrence | Maternal pregnancy period | true | Inferred relationship | Some | 1 | |
| Monozygotic twins | Is a | Twin pregnancy | true | Inferred relationship | Some | 
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Diamniotic-monochorionic twins | Is a | True | Monozygotic twins | Inferred relationship | Some | 
This concept is not in any reference sets