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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:

 

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