Some informative publications:

Clinical practice guideline: early detection of developmental dysplasia of the

hip. Committee on Quality Improvement, Subcommittee on Developmental Dysplasia of

the Hip. American Academy of Pediatrics. Pediatrics. 2000 Apr;105(4 Pt

1):896-905. PubMed PMID: 10742345.

LINK TO DOWNLOAD

ACR Appropriateness Criteria on developmental dysplasia of the hip--child.

Karmazyn BK, Gunderman RB, Coley BD, Blatt ER, Bulas D, Fordham L, Podberesky DJ, Prince JS, Paidas C, Rodriguez W; American College of Radiology.

J Am Coll Radiol. 2009 Aug;6(8):551-7.

LINK TO DOWNLOAD

American Institute of Ultrasound in Medicine; American College of Radiology.

AIUM practice guideline for the performance of an ultrasound examination for

detection and assessment of developmental dysplasia of the hip. J Ultrasound Med.

2009 Jan;28(1):114-9. PubMed PMID: 19106370.

LINK TO DOWNLOAD

thank you very much JACK...