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Trinucleotide Repeats: Fragile X Syndrome What are trinucleotide repeats? DNA is the chemical that makes up your genes. It contains a "code" of 3-letter words known as codons or trinucleotides. Many genes normally contain trinucleotide sequences that repeat. These are called

Uniparental Disomy: Prader-Willi Syndrome and Angelman Syndrome What is uniparental disomy? Chromosome pairs affect how our body works. Normally, a baby gets one copy of each chromosome pair from each birth parent. In rare cases, two copies come from the same parent. This is

Medical Genetics: Getting Genetic Services for Your Child What are genetic services? Genetic services are programs that help support families and children with genetic disorders. Genetic services can: Give you information about your family’s genetic risk factors. Diagnose a

Bleeding Disorders Many different bleeding disorders require clinical care by a physician or other health care professional. Listed in the directory below are some, for which we have provided a brief overview. Hemophilia Idiopathic Thrombocytopenic Purpura© 2000-2026 The StayWell

Thalassemia Click on the links below to learn more about this topic. Alpha Thalassemia Beta Thalassemia (Cooley's Anemia)© 2000-2026 The StayWell Company, LLC. All rights reserved. This information is not intended as a substitute for professional medical care. Always follow your

Substance Exposure Click on the links below to learn more about this topic. Neonatal Abstinence Syndrome Fetal Alcohol Syndrome (FAS)© 2000-2026 The StayWell Company, LLC. All rights reserved. This information is not intended as a substitute for professional medical care. Always

Hepatitis in Children What is hepatitis in children? Hepatitis is an inflammation of the liver. It can damage and destroy liver cells. What causes hepatitis in a child? Hepatitis in children can be caused by many things. Your child can get hepatitis by being exposed to a virus

Risks of Pregnancy Over Age 35 Many women wait until later in life to have children. In the U.S., birth rates for women in their 30s are at the highest levels in four decades. But an older mother may be at increased risk for things, such as: Miscarriage Birth defects Twins High

Conduct Disorder in Children What is conduct disorder in children? Conduct disorder is a type of behavior disorder. It's when a child has antisocial behavior. They may ignore basic social standards and rules. They may also: Be irresponsible Skip school or run away (delinquent

Oppositional Defiant Disorder (ODD) in Children What is oppositional defiant disorder (ODD) in children? Oppositional defiant disorder (ODD) is a type of behavior disorder. It's mostly diagnosed in childhood. Children with ODD show a pattern of uncooperative, defiant, and hostile