NEW YORK (GenomeWeb) – Premaitha Health has reported that its cell-free DNA-based screen for fetal aneuploidies performed with perfect sensitivity and specificity.

Trisomies 13, 18, and 21 have been increasing in incidence, according to the US Centers for Disease Control and Prevention. But, common screening approaches based on ultrasound findings and other markers have false-positive rates that lead many women to seek an invasive diagnostic procedure like an amniocentesis or chorionic villus sampling when it may not be necessary.

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The president of France's National Research Agency has resigned, according to Nature News.

A senator wants a "right-to-try" provision in the US Food and Drug Administration funding bill, but an ethicist says at Stat News that it would undermine the role of clinical trials.

In PNAS this week: red algae Porphyra umbicalis genome, deep neural network model for sequencing peptides, and more.

The Guardian's Barbara Ellen has tried out some DNA testing services to see whether they provide valuable information.