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 ...

Mosaic Down syndrome is a variant of Down syndrome. Down syndrome is a congenital (present at birth) genetic condition that occurs when a person has three copies of chromosome 21 instead of two (the ...

Nearly half of all babies born with Down syndrome face congenital heart defects, often involving serious malformations ...

World Down Syndrome Day: Down syndrome appears as a genetic disorder following abnormal cellular division which results in either an entire or partial additional chromosome 21. The body and brain ...