Right not to know or duty to know? Prenatal screening for polycystic renal disease.

New dimensions in different ethical scenarios following genetic information require new medical-ethical Action Guides for physician-patient interaction. This paper discusses the ambiguity in moral choice between a "right not to know" and "a duty to know", regarding parental decision-making pro or contra selective abortion following prenatal screening for autosomal dominant polycystic kidney disease (Potter III) and related public policy issues.