Laboratory	Test Method	Prenatal	Carrier *
Baylor College of Medicine, Medical Genetics Laboratories - Houston, TX, USA	• Sequence analysis of the entire coding region • Deletion/duplication analysis
Connective Tissue Gene Tests - Allentown, PA, USA	• Sequence analysis of the entire coding region • Deletion/duplication analysis
Seattle Children's Hospital, Biochemical and Molecular Genetics Laboratories - Seattle, WA, USA	• Sequence analysis of the entire coding region • Deletion/duplication analysis
Sheffield Children's NHS Foundation Trust, Sheffield Diagnostic Genetics Service - Sheffield, Great Britain	• Targeted mutation 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.