Trisomy 21
Down's syndrome, also known as Down syndrome, is a genetic condition that typically causes some level of learning disability and characteristic physical features.
Each person with Down's syndrome is affected differently, but most people with the condition share a number of physical characteristics.
Down's syndrome is a genetic condition that occurs as a result of an extra chromosome (chromosome 21).
Screening during pregnancy can determine the likelihood of a baby being born with Down's syndrome, but in many cases the condition is only diagnosed after birth.
Having Down's syndrome, or having a child with the condition, can be challenging at times.
Some children with Down's syndrome have very few health problems as a result of their condition. Others will need extra medical care and attention.
Richard Davis's daughter, Victoria, was born with Down's syndrome. He talks about the impact the condition has had on her and their family life.
Emily was born with Down's syndrome. Her mum, Sarah, talks about the health issues they faced and Emily's life today.