Status: current, Primitive. Date: 31-Jan 2002. Module: SNOMED CT core
Descriptions:
| Id | Description | Lang | Type | Status | Case? | Module | 
| 487448012 | Frequency of menstruation | en | Synonym | Active | Case insensitive | SNOMED CT core | 
| 770540016 | Frequency of menstruation (observable entity) | en | Fully specified name | Active | Case insensitive | SNOMED CT core | 
| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Frequency of menstruation | Is a | Pattern of menstrual cycle | true | Inferred relationship | Some | 
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Finding of frequency of menstruation | Interprets | True | Frequency of menstruation | Inferred relationship | Some | 1 | 
| Short menstrual cycle | Interprets | True | Frequency of menstruation | Inferred relationship | Some | 2 | 
| Primary oligomenorrhoea | Interprets | True | Frequency of menstruation | Inferred relationship | Some | 3 | 
| Secondary oligomenorrhoea | Interprets | True | Frequency of menstruation | Inferred relationship | Some | 3 | 
| Oligomenorrhea | Interprets | True | Frequency of menstruation | Inferred relationship | Some | 3 | 
| Polymenorrhoea | Interprets | True | Frequency of menstruation | Inferred relationship | Some | 3 | 
| Length of cycle stable | Interprets | False | Frequency of menstruation | Inferred relationship | Some | 1 | 
| Excessive and frequent menstruation | Interprets | True | Frequency of menstruation | Inferred relationship | Some | 3 | 
| Light and infrequent menstruation | Interprets | True | Frequency of menstruation | Inferred relationship | Some | 3 | 
Reference Sets
Observable entity foundation reference set