Definition of screening strategies
| Screening strategy | Screening test | Positive test result |
|---|---|---|
| *DDH, developmental dysplasia of the hip. Recognised risk factors include breech (non-cephalic) presentation in third trimester or at delivery, and first degree family history of DDH. | ||
| Clinical screening alone | Ortolani and Barlow tests | Clinically dislocated or subluxatable hip(s) |
| Universal ultrasound | Ortolani and Barlow tests | Clinically dislocated or subluxatable hip(s) |
| AND | OR | |
| Static and dynamic ultrasound imaging | Sonographically displaced or unstable hip(s) | |
| Selective ultrasound | Ortolani and Barlow tests | Clinically dislocated or subluxatable hip(s) |
| AND | OR | |
| Systematic identification of recognised risk factors for DDH* | Presence of one or more risk factors | |