It is possible, but not commonly done. Prenatal testing for pregnancies at increased risk (e.g. where there is an affected family member) is possible.Genetic testing is performed by either direct genemutation analysis and/or linkage analysis. Mutation analysis looks to identify the particular gene (PKD1, PKD2 or PKHD1) changes that cause polycystic kidney disease. A linkage analysis is useful if the mutation analysis does not provide enough conclusive information. With a linkage analysis, blood tests from multiple family members are taken to track the chromosome that carries the disease-causing gene through two or more generations.
Last updated: 4/22/2010
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