Huntington's Disease and Childbearing-by Katherine Harris. Prenatal testing can be used to increase
the fetal risk from 50% to virtually 100% or to decrease the fetal risk from 50% to virtually zero. The second circumstance
is where the parent is at 50% risk and is not showing symptoms. Non-disclosing prenatal testing relies on genetic linkage
analysis
Preimplantation Genetic Testing For HD - Article was published in Clinical Genetics-Fortunately, preimplantation genetic testing
(PGT) now provides an approach in which antenatal diagnosis can be offered without incurring the adverse effects of the presymtomatic
diagnosis.
Prenatal Predictive Testing~Article-Predictive testing for Huntington's disease-Our evidence supports Hayden's point that parents are
reluctant to use prenatal testing for various late-onset disorders. |
When What We Know Outstrips What We Can Do - Very good article by Margaret McLean. Discusses prenatal screening
and diagnosis which can be accomplished through methods such as amniocentesis. Sometimes genetic testing is coupled with in
vitro fertilization in a technique called preimplantation genetic diagnosis (PGD). PGD is currently offered in a limited number
of research facilities...more
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