| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Birth detail | Is a | True | Pregnancy, childbirth / puerperium observable | Inferred relationship | Existential restriction modifier |  | 
| Maternal condition during puerperium | Is a | False | Pregnancy, childbirth / puerperium observable | Inferred relationship | Existential restriction modifier |  | 
| Antenatal data | Is a | True | Pregnancy, childbirth / puerperium observable | Inferred relationship | Existential restriction modifier |  | 
| Pregnancy observable | Is a | True | Pregnancy, childbirth / puerperium observable | Inferred relationship | Existential restriction modifier |  | 
| Labor observable | Is a | True | Pregnancy, childbirth / puerperium observable | Inferred relationship | Existential restriction modifier |  | 
| Aspect of delivery | Is a | True | Pregnancy, childbirth / puerperium observable | Inferred relationship | Existential restriction modifier |  | 
| Structures of conception observable | Is a | True | Pregnancy, childbirth / puerperium observable | Inferred relationship | Existential restriction modifier |  | 
| Obstetric investigative observable | Is a | True | Pregnancy, childbirth / puerperium observable | Inferred relationship | Existential restriction modifier |  | 
| Obstetric pelvic observable | Is a | True | Pregnancy, childbirth / puerperium observable | Inferred relationship | Existential restriction modifier |  | 
| Maternal satisfaction with anesthesia | Is a | True | Pregnancy, childbirth / puerperium observable | Inferred relationship | Existential restriction modifier |  | 
| Maternal status | Is a | True | Pregnancy, childbirth / puerperium observable | Inferred relationship | Existential restriction modifier |  | 
| Obstetric history | Is a | True | Pregnancy, childbirth / puerperium observable | Inferred relationship | Existential restriction modifier |  | 
| Family planning observable | Is a | True | Pregnancy, childbirth / puerperium observable | Inferred relationship | Existential restriction modifier |  | 
| Patient written birth plan location | Is a | True | Pregnancy, childbirth / puerperium observable | Inferred relationship | Existential restriction modifier |  | 
| Total number of postpartum care visits | Is a | True | Pregnancy, childbirth / puerperium observable | Inferred relationship | Existential restriction modifier |  | 
| Total number of prenatal care visits | Is a | True | Pregnancy, childbirth / puerperium observable | Inferred relationship | Existential restriction modifier |  | 
| Multiple birth order | Is a | True | Pregnancy, childbirth / puerperium observable | Inferred relationship | Existential restriction modifier |  | 
| Maternal experience of childbirth | Is a | True | Pregnancy, childbirth / puerperium observable | Inferred relationship | Existential restriction modifier |  |