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The European Society of Human Genetics recently issued recommendations about genetic testing in asymptomatic minors. They strongly favor testing when a child has an increased risk for a treatable childhood disorder, such as Duchenne muscular dystrophy and retinitis pigmentosa. When a child has an increased risk for a disorder that is not treatable, the society indicated that testing could still be considered if the results will forewarn or reassure the family. Regardless, the recommendations are clear that decisions should be guided by the child's best interests. The new guidelines state that children should participate in deciding whether to test for conditions that occur later in life and for carrier status, provided that they can underst…