This will be a prospective study using an acoustic listening technique in combination with a standard clinical examination of DDH.~For both the clinical cases and healthy children that are enrolled, that all subjects will have an ultrasound completed for comparison to the use of the studied tuning fork method. The gold standard is POCUS (point of care ultrasound as performed by the pediatric orthopedic surgeon). Collected data will be compared to POCUS as performed by an expert and this is standard of care. Healthy subjects will be referred for evaluation and found to be healthy on subsequent US.
The objective of this study is to collect data that will be used to later design a method for the early diagnosis of diagnosis of developmental dysplasia of the hip (DDH).