5 doctors weighed in:

How can you find out for sure if your child has down syndrome?

5 doctors weighed in
4 doctors agree

In brief: Chromosomes

By studying his chromosomes.
Babies with down syndrome typically have an extra copy of chromosome 21, that is why it is also called "trisomy 21.

In brief: Chromosomes

By studying his chromosomes.
Babies with down syndrome typically have an extra copy of chromosome 21, that is why it is also called "trisomy 21.
Dr. Josephine Ruiz-Healy
Dr. Josephine Ruiz-Healy
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