Younger and older fathers could be more likely to have a baby with Down syndrome, according to an international analysis of over 2 million pregnancies in China. The researchers collected data on ...

The discovery led to the creation of a blood test that could examine fetal DNA (T21) for Down syndrome and other genetic diseases, instead of using needles to extract amniotic fluid from expecting ...

A century after Down syndrome was first described, scientists discovered that the root cause of this disorder is a condition called trisomy 21. What strides in research have been made since then?