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Abstract
Researchers have reported sequencing a fetal genome from cell-free fetal DNA in a pregnant woman's blood, heralding the possibility of performing whole-genome sequencing as early as the first trimester of pregnancy. This innovation raises ethical and policy questions.
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1 From Harvard Medical School (I.R.Y.) and the Center for Bioethics, Brigham and Women's Hospital (L.S.L.) — both in Boston; and the Department of Genetics, University of Alabama at Birmingham, Birmingham (B.R.K.).