| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Rigid perineum in pregnancy, childbirth and the puerperium | Is a | Vulval abnormality in pregnancy, childbirth and the puerperium | true | Inferred relationship | Existential restriction modifier |  |  | 
| Rigid perineum in pregnancy, childbirth and the puerperium | Is a | Non-malignant female frozen pelvis | false | Inferred relationship | Existential restriction modifier |  |  | 
| Rigid perineum in pregnancy, childbirth and the puerperium | Finding site | Vulval structure | true | Inferred relationship | Existential restriction modifier | 1 |  | 
| Rigid perineum in pregnancy, childbirth and the puerperium | Finding site | Pelvic cavity structure | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Rigid perineum in pregnancy, childbirth and the puerperium | Associated morphology | Fibrosis | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Rigid perineum in pregnancy, childbirth and the puerperium | Finding site | Structure of pelvis | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Rigid perineum in pregnancy, childbirth and the puerperium | Finding site | Female structure | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Rigid perineum in pregnancy, childbirth and the puerperium | Finding site | Pelvic peritoneal structure | false | Inferred relationship | Existential restriction modifier |  |  | 
| Rigid perineum in pregnancy, childbirth and the puerperium | Finding site | Entire body wall | false | Inferred relationship | Existential restriction modifier |  |  | 
| Rigid perineum in pregnancy, childbirth and the puerperium | Associated morphology | Induration | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Rigid perineum in pregnancy, childbirth and the puerperium | Finding site | Female genital tract | false | Inferred relationship | Existential restriction modifier |  |  | 
| Rigid perineum in pregnancy, childbirth and the puerperium | Finding site | Female genital tract structure | false | Inferred relationship | Existential restriction modifier |  |  |