Causes of Down Syndrome
Down Syndrome Causes: Risk Factors
The following medical statistics relate to risk factors for Down Syndrome:
- 80% of Down syndrome cases occur in mothers under 35 in the US (Association for Children with Down Syndrome)
- The risk of having a Down syndrome child is 1 in 400 if the mother is 35-40 years old in the US (Association for Children with Down Syndrome)
- The risk of having a Down syndrome child is 1 in 110 if the mother is over 40 in the US (Association for Children with Down Syndrome)
- more stats »
Down Syndrome: Related Medical Conditions
To research the causes of Down Syndrome, consider researching the causes of these
these diseases that may be similar, or associated with Down Syndrome:
Down Syndrome: Causes and Types
Causes of Types of Down Syndrome: Review the cause informationfor the various types of Down Syndrome:
Causes of Broader Categories of Down Syndrome: Review the causal information about the various more general categories of medical conditions:
Down Syndrome as a symptom:
Conditions listing Down Syndrome
as a symptom may also be potential underlying causes of Down Syndrome.
Our database lists the following as having
Down Syndrome as a symptom of that condition:
Related information on causes of Down Syndrome:
As with all medical conditions,
there may be many causal factors.
Further relevant information on causes of Down Syndrome may be found in: