| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Delivery of transverse presentation | Is a | False | Delivery, medical personnel present | Inferred relationship | Existential restriction modifier |  | 
| Delivery of face presentation | Is a | False | Delivery, medical personnel present | Inferred relationship | Existential restriction modifier |  | 
| Delivery of cephalic presentation | Is a | False | Delivery, medical personnel present | Inferred relationship | Existential restriction modifier |  | 
| Vaginal delivery, medical personnel present | Is a | True | Delivery, medical personnel present | Inferred relationship | Existential restriction modifier |  | 
| Delivery by Ritgen maneuver | Is a | False | Delivery, medical personnel present | Inferred relationship | Existential restriction modifier |  | 
| Wigand-Martin maneuver | Is a | False | Delivery, medical personnel present | Inferred relationship | Existential restriction modifier |  | 
| Prague maneuver | Is a | False | Delivery, medical personnel present | Inferred relationship | Existential restriction modifier |  | 
| Frank breech delivery | Is a | False | Delivery, medical personnel present | Inferred relationship | Existential restriction modifier |  | 
| Kristeller maneuver | Is a | False | Delivery, medical personnel present | Inferred relationship | Existential restriction modifier |  | 
| Van Hoorn maneuver | Is a | False | Delivery, medical personnel present | Inferred relationship | Existential restriction modifier |  | 
| Spontaneous unassisted delivery, medical personnel present | Is a | True | Delivery, medical personnel present | Inferred relationship | Existential restriction modifier |  | 
| Manually assisted spontaneous delivery | Is a | False | Delivery, medical personnel present | Inferred relationship | Existential restriction modifier |  | 
| Bracht maneuver | Is a | False | Delivery, medical personnel present | Inferred relationship | Existential restriction modifier |  | 
| Delivery of cephalic presentation | Is a | False | Delivery, medical personnel present | Inferred relationship | Existential restriction modifier |  |