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Detailed information on translocation Down syndrome

Detailed information on trinucleotide repeats, including fragile X syndrome.

Detailed information on uniparental disomy, including information about Prader-Willi syndrome and Angelman syndrome.

Genetic testing can help find diseases that run in a family or don't yet have symptoms.

Did you have chickenpox or get the vaccine as a child? Then you've got nothing to worry about from varicella. But if you didn't, you may not be immune to this infectious disease that can cause complications for a pregnant person and their baby. Read more to find out why, and how to protect yourself.

Diphtheria, pertussis, and tetanus are serious illnesses. A combination vaccine is given to babies and children to provide protection against all three diseases.

Haemophilus influenzae type b is a serious bacterial disease that usually strikes children younger than 5. It is spread from person-to-person by coughing and sneezing.

Kyphosis is a deformity of the backbone (spine). It's when the bones of the spine (vertebrae) in the upper back curve outward more than they should.

The poliovirus destroys the nervous system, causing paralysis. Today, polio is extremely rare in the United States because of the polio vaccine. It's still common in other countries, though, so children still need to be immunized.