Stories about: Down syndrome decrease

The impact of prenatal testing for Down syndrome

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Brian Skotko, MD, MPP

By Brian Skotko, MD, MPP

I was recently asked by the editor of the medical journal, Archives of Disease in Childhood, to size up the impact of prenatal testing for Down syndrome. After reviewing research from around the globe, I learned that the number of babies born with Down syndrome has been steadily decreasing.  In the United States, alone, there would have been a 34% increase in the number of babies born with Down syndrome between 1989 and 2005, in the absence of prenatal testing.  Instead, there were 15% fewer babies born, representing a 49% decrease between expected and observed rates.

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