Medically reviewed by Nicholas R. Metrus, MD Key Takeaways Mosaic Down syndrome has some cells with three copies of chromosome 21, and some with two instead of all three.Only about 1% to 2% of people ...

Ashley Zambelli was diagnosed with down syndrome age 23 says people don’t believe she has the condition (Ashley Zambelli / SWNS) A mum who was diagnosed with Down’s syndrome aged 23 says people “don’t ...

For Ashley Zambelli, a surprise diagnosis allowed her to have an even more special bond with her children. The Michigan-based mom, 23, recently found out she has Mosaic Down syndrome, a condition in ...

There is a good chance you have met or know someone with Down syndrome, one of the most common chromosomal conditions. But there is so much to learn about it beyond its physical traits. For one thing, ...

Down syndrome is a chromosomal disorder due to an extra copy of chromosome 21, or Trisomy 21. The additional genetic information for development changes results in intellectual disabilities, unique ...

Nearly half of all babies born with Down syndrome face congenital heart defects, often involving serious malformations that require surgery in the first months of life. For decades, scientists have ...

KNOXVILLE, Tenn. — One Knoxville teenager isn't letting her disability keep her down. Instead the talented AP student, author, musician and advocate is working to normalize living with Down syndrome.

One mum reveals how she managed to help her daughter out of a 4-year stupor. Pop music was blasting through the house as my daughter, Kathryn, glided gracefully around the room to the High School ...

JACKSONVILLE, Fla. – The Acosta Bridge will be lit in blue and yellow all this week ahead of Saturday’s annual Buddy Walk to raise awareness about Down syndrome. One local family is among the hundreds ...

After decades of mystery, researchers at Gladstone Institutes identify a gene that can derail heart formation—and show that fixing it prevents the problem in mice. SAN FRANCISCO—October 22, ...

A mum who was diagnosed with Down’s syndrome aged 23 says people “don’t believe” she has the condition. Ashley Zambelli was diagnosed with mosaic Down’s syndrome in February 2023 after undergoing ...