There are many characteristic features of Down syndrome. A child with Down’s syndrome may not have all the features and every child's symptoms can vary in number and severity. Some of the characteristics and features may be observed in children who do not have Down syndrome as well.
Some of the following physical traits are present in children’s Down syndrome (they may vary in severity):
People with Down’s syndrome often have distinct facial features, such as:
Learning difficulties is present in all children with Down’s syndrome which can vary from mild to moderate. People with Down’s syndrome may have an IQ that can vary from 25 to 80, with an average score of 50. Intelligence quotient (IQ) is a way of measuring a person’s intelligence and the IQ score for the general population is 100.
Some problems which are observed in children with Down’s syndrome are:
Children with Down’s syndrome usually have delayed physical and mental development, which can vary in severity form mild to severe.
The height of a child with Down’s syndrome is usually much shorter than other children their age. The adult, height is shorter than average– around 158cm (5.2ft) for men and 140cm (4.6ft) for women.
As the physical development is delayed, these children take longer to crawl, sit and walk. Mental development is also delayed. Hence, these children usually take longer to reach important developmental milestones, such as:
However with appropriate support and treatment, a child with Down’s syndrome may still be able to acquire most, if not all, of the mental and social skills as other children.
Other medical conditions
People with Down’s syndrome are prone to have other medical conditions such as congenital heart disease, hearing and vision problems, diseases such as hypothyroidism, celiac disease, and Alzheimer’s disease.
Read more articles on Down Syndrome
Arcadi syndrome is a rare disorder of the genes that interrupts the development process of the brain’s structure that connects the two hemispheres.read more
The most common symptoms of Joubert syndrome in infants include abnormally rapid breathing, decreased muscle tone, jerky eye movements, mental retardation, and the inability to coordinate voluntary muscle movements.read more