| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Retraction of nipple in pregnancy, the puerperium or lactation - delivered | Is a | False | Retraction of nipple in pregnancy, the puerperium or lactation | Inferred relationship | Existential restriction modifier |  | 
| Retraction of nipple in pregnancy, the puerperium or lactation - delivered with postnatal complication | Is a | False | Retraction of nipple in pregnancy, the puerperium or lactation | Inferred relationship | Existential restriction modifier |  | 
| Retraction of nipple in pregnancy, the puerperium or lactation with antenatal complication | Is a | True | Retraction of nipple in pregnancy, the puerperium or lactation | Inferred relationship | Existential restriction modifier |  | 
| Retraction of nipple in pregnancy, the puerperium or lactation with postnatal complication | Is a | True | Retraction of nipple in pregnancy, the puerperium or lactation | Inferred relationship | Existential restriction modifier |  | 
| Retracted nipple in pregnancy, the puerperium or lactation unspecified | Is a | False | Retraction of nipple in pregnancy, the puerperium or lactation | Inferred relationship | Existential restriction modifier |  | 
| Retracted nipple in pregnancy, the puerperium or lactation NOS | Is a | False | Retraction of nipple in pregnancy, the puerperium or lactation | Inferred relationship | Existential restriction modifier |  | 
| Retraction of nipple in pregnancy | Is a | True | Retraction of nipple in pregnancy, the puerperium or lactation | Inferred relationship | Existential restriction modifier |  | 
| Retraction of nipple during lactation | Is a | True | Retraction of nipple in pregnancy, the puerperium or lactation | Inferred relationship | Existential restriction modifier |  | 
| Retraction of nipple associated with childbirth | Is a | True | Retraction of nipple in pregnancy, the puerperium or lactation | Inferred relationship | Existential restriction modifier |  | 
| Retracted nipple in pregnancy, the puerperium or lactation unspecified | Is a | False | Retraction of nipple in pregnancy, the puerperium or lactation | Inferred relationship | Existential restriction modifier |  | 
| Retracted nipple in pregnancy, the puerperium or lactation NOS | Is a | False | Retraction of nipple in pregnancy, the puerperium or lactation | Inferred relationship | Existential restriction modifier |  |