Edwards syndrome occurs when the baby has an extra copy of chromosome 18. It is a trisomy disorder, and is also known as trisomy 18.
Most Edwards syndrome babies do not survive birth, and of those that do, few live more than a few months, and even less live more than a year.
The odds of a child being born with this syndrome are approximately 1 in 3,000. Usually when this abnormality occurs, it results in a miscarriage.
Symptoms include mental disabilities as well as multiple physical abnormalities such as heart disease, hernias, low-set ears, low birth weight, hand abnormalities (webbed fingers), small jaw, etc.
For more information see www.trisomy.org
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