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cffDNA originates from the trophoblasts making up the placenta. An average of 11%-13.4% of cell-free DNA in maternal blood is of fetal origin, although this varies

Publisher of 30 research and review journals including Cell, Neuron, Immunity, Current Biology, AJHG, and the Trends journals

The newest form of prenatal testing for Down syndrome is regularly referred to as testing cell free fetal DNA. At the recent American College of Medical Genetics

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The cell (from Latin cella, meaning “small room”) is the basic structural, functional, and biological unit of all known living organisms. A cell is the smallest unit