Laboratory	Test Method	Prenatal	Carrier *
Cologne University, Institute of Human Genetics - Cologne, Germany	• Sequence analysis of the entire coding region • Linkage analysis
Connective Tissue Gene Tests - Allentown, PA, USA	• Sequence analysis of the entire coding region • Deletion/duplication analysis
Sheffield Children's NHS Foundation Trust, Sheffield Diagnostic Genetics Service - Sheffield, Great Britain	• Sequence analysis of the entire coding region
University Hospital Ghent, Connective Tissue Laboratory - Ghent, Belgium	• Sequence analysis of the entire coding region
University of Washington Medical Center, Collagen Diagnostic Laboratory - Seattle, WA, USA	• Sequence analysis of the entire coding region • Deletion/duplication analysis

^* Carrier column is relevant to autosomal recessive and X-linked inheritance; column will be blank when it is not relevant (e.g. autosomal dominant inheritance, microdeletions/duplications) and/or is not offered by the lab.