| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Polyhydramnios, megalencephaly, symptomatic epilepsy syndrome | Is a | Intellectual disability | true | Inferred relationship | Existential restriction modifier |  |  | 
| Polyhydramnios, megalencephaly, symptomatic epilepsy syndrome | Is a | Developmental hereditary disorder | true | Inferred relationship | Existential restriction modifier |  |  | 
| Polyhydramnios, megalencephaly, symptomatic epilepsy syndrome | Is a | Hereditary disorder of nervous system | true | Inferred relationship | Existential restriction modifier |  |  | 
| Polyhydramnios, megalencephaly, symptomatic epilepsy syndrome | Is a | Refractory epilepsy | true | Inferred relationship | Existential restriction modifier |  |  | 
| Polyhydramnios, megalencephaly, symptomatic epilepsy syndrome | Is a | Multiple malformation syndrome with facial defects as major feature | true | Inferred relationship | Existential restriction modifier |  |  | 
| Polyhydramnios, megalencephaly, symptomatic epilepsy syndrome | Is a | Autosomal recessive hereditary disorder | true | Inferred relationship | Existential restriction modifier |  |  | 
| Polyhydramnios, megalencephaly, symptomatic epilepsy syndrome | Occurrence | Congenital | true | Inferred relationship | Existential restriction modifier | 1 |  | 
| Polyhydramnios, megalencephaly, symptomatic epilepsy syndrome | Finding site | Face structure | true | Inferred relationship | Existential restriction modifier | 1 |  | 
| Polyhydramnios, megalencephaly, symptomatic epilepsy syndrome | Associated morphology | Morphologically abnormal structure | true | Inferred relationship | Existential restriction modifier | 1 |  | 
| Polyhydramnios, megalencephaly, symptomatic epilepsy syndrome | Pathological process | Pathological developmental process | true | Inferred relationship | Existential restriction modifier | 1 |  | 
| Polyhydramnios, megalencephaly, symptomatic epilepsy syndrome | Occurrence | Infancy | true | Inferred relationship | Existential restriction modifier | 2 |  | 
| Polyhydramnios, megalencephaly, symptomatic epilepsy syndrome | Finding site | Structure of cerebrum | true | Inferred relationship | Existential restriction modifier | 2 |  | 
| Polyhydramnios, megalencephaly, symptomatic epilepsy syndrome | Interprets | Intellectual ability | true | Inferred relationship | Existential restriction modifier | 3 |  | 
| Polyhydramnios, megalencephaly, symptomatic epilepsy syndrome | Has interpretation | Impaired | true | Inferred relationship | Existential restriction modifier | 3 |  | 
| Polyhydramnios, megalencephaly, symptomatic epilepsy syndrome | Interprets | Adaptation behavior | true | Inferred relationship | Existential restriction modifier | 4 |  | 
| Polyhydramnios, megalencephaly, symptomatic epilepsy syndrome | Has interpretation | Impaired | true | Inferred relationship | Existential restriction modifier | 4 |  |