| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Free beta human chorionic gonadotrophin measurement | Has measured component | False | Human chorionic gonadotropin, beta subunit | Inferred relationship | Some |  | 
| Chorionic gonadotropin, beta-subunit measurement | Has measured component | False | Human chorionic gonadotropin, beta subunit | Inferred relationship | Some |  | 
| Plasma free beta human chorionic gonadotrophin measurement (procedure) | Has measured component | False | Human chorionic gonadotropin, beta subunit | Inferred relationship | Some |  | 
| Serum free beta human chorionic gonadotrophin measurement | Has measured component | False | Human chorionic gonadotropin, beta subunit | Inferred relationship | Some |  | 
| Plasma free beta human chorionic gonadotropin multiple of median measurement (procedure) | Has measured component | False | Human chorionic gonadotropin, beta subunit | Inferred relationship | Some |  | 
| Serum free beta human chorionic gonadotropin multiple of median measurement (procedure) | Has measured component | False | Human chorionic gonadotropin, beta subunit | Inferred relationship | Some |  | 
| Free beta human chorionic gonadotrophin measurement | Component | True | Human chorionic gonadotropin, beta subunit | Inferred relationship | Some | 1 | 
| Chorionic gonadotropin, beta-subunit measurement | Component | False | Human chorionic gonadotropin, beta subunit | Inferred relationship | Some |  | 
| Plasma free beta human chorionic gonadotrophin measurement (procedure) | Component | True | Human chorionic gonadotropin, beta subunit | Inferred relationship | Some | 1 | 
| Serum free beta human chorionic gonadotrophin measurement | Component | True | Human chorionic gonadotropin, beta subunit | Inferred relationship | Some | 1 | 
| Plasma free beta human chorionic gonadotropin multiple of median measurement (procedure) | Component | True | Human chorionic gonadotropin, beta subunit | Inferred relationship | Some | 1 | 
| Serum free beta human chorionic gonadotropin multiple of median measurement (procedure) | Component | True | Human chorionic gonadotropin, beta subunit | Inferred relationship | Some | 1 | 
| Chorionic gonadotropin, beta-subunit measurement (procedure) | Component | True | Human chorionic gonadotropin, beta subunit | Inferred relationship | Some | 1 | 
| Chorionic gonadotropin, beta-subunit measurement, spinal fluid (procedure) | Component | True | Human chorionic gonadotropin, beta subunit | Inferred relationship | Some | 1 | 
| Choriogonadotropin + human chorionic gonadotropin, beta subunit | Is a | False | Human chorionic gonadotropin, beta subunit | Inferred relationship | Some |  | 
| Free human chorionic gonadotropin beta subunit (substance) | Is a | False | Human chorionic gonadotropin, beta subunit | Inferred relationship | Some |  |