Child health · UKMLA & AKT
Developmental dysplasia of the hip (DDH)
A free high-yield preview for the UKMLA Applied Knowledge Test, covering how to recognise this condition. The full SA Note notes add investigations, management and complications, with practice questions on this topic.
Key high-yield points
- Female sex (4:1 female-to-male predominance - maternal hormones increase ligamentous laxity more in female fetuses)
- Breech presentation at or after 36 weeks gestation (regardless of final presentation at delivery or method of delivery - damage may occur before ECV/spontaneous version)
- Positive family history (first-degree relative with DDH)
- Firstborn child (less-stretched uterus, less room in utero)
Afro-Caribbean origin is NOT a risk factor for DDH - it is a favourite exam distractor. DDH is actually less common in people of African descent.
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