![]() For babies with any of the risk factors noted above or an inconclusive exam, an ultrasound at 6 weeks of age is the ideal time to screen. ![]() The most sensitive test for a hip dislocation is the Ortolani maneuver, an exam maneuver where a palpable “clunk” is appreciated as the hip reduces back into the socket in flexion and abduction. Q: How are babies screened for hip dysplasia?Īll babies are screened with clinical exams at multiple points, assessing for instability in the hips, asymmetric abduction and relative leg-length differences that could indicate that one hip is out of the socket. In general, preterm infants are at lower risk for hip dysplasia, but should still be screened if they meet the criteria at the corrected age. Females have a higher incidence of hip dysplasia than males, but sex is not considered a specific risk factor for screening purposes. Risk factors for hip dysplasia include breach position at any point after 32 weeks gestation, family history of hip dysplasia in parents or siblings and improper swaddling with the hips immobilized in extension and adduction (knees together). Q: How common is hip dysplasia, and what are the risk factors for infant hip dysplasia?Ībout 1 in 100 babies has signs of hip instability at birth, and hip dislocations are identified in approximately 1 in 1000 newborns. Blumberg is an orthopedic surgeon who works with patients from infancy through young adulthood treating all hip conditions.
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