When prenatal screening identifies features of a genetic syndrome or there is a family history of genetic disease, a woman's health care provider may suggest prenatal genetic testing. Baby's DNA, obtained by chorionic villus sampling--commonly...
Triple X syndrome is a genetic disorder in which a girl has three X chromosomes instead of two. Triple X occurs once in every 1,000 female births. However, doctors believe many girls with Triple X go their lifetime undiagnosed. The major...
Identifying Russell-Silver syndrome (RSS) can be challenging because there is great variety in how the condition presents. Your child may display numerous symptoms, or he may have only a few. If your child is a textbook case, he may have a small,...
The International Mosaic Down Syndrome Association estimates that one in 27,000 people suffer from Mosaic Down syndrome, a genetic condition in which a subset of cells inherits three copies of chromosome 21. Normal cell division in a developing...
It is possible to test a baby's DNA before birth. Known as prenatal genetic testing, this is generally performed when there is a family history of a genetic syndrome or features of a genetic syndrome have been during the pregnancy. Prenatal...
