The mnemonic
Baby DDH, Child Perthes, Teen SCFE
What each word stands for
- Baby DDHDevelopmental dysplasia: newborn and infant
- Child PerthesPerthes disease: about 4 to 8 years
- Teen SCFESlipped capital femoral epiphysis: obese adolescents
Why it matters clinically
A child with a limp or knee pain should have the hip examined, matched to age.
Where it stops being reliable
Septic arthritis and transient synovitis occur at any age and are not covered.
Teaching aid, still awaiting independent review. Confirm facts in a standard source.