The odds of having a child with Down syndrome increase with maternal

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The odds of having a child with Down syndrome increase with maternal age, particularly for women who become pregnant after the age of 35. Consuming alcohol or exposure to mercury may lead to other complications, but they are not directly related to an increased risk of Down syndrome. Similarly, maternal weight does not have a direct impact on the likelihood of having a child with Down syndrome.

The Odds of Having a Child with Down Syndrome Increase