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Risk Factors May Affect Family Size

Risk Factors May Affect Family Size

Genetic risk factors for autism may affect family size

People who carry risk factors for autism but do not have the condition tend to have fewer children — and have them later in life — than do people at lower risk, according to a new study.

The study of more than 90,000 people focuses on common genetic variants, which occur in at least 1 percent of the population. Certain combinations of these variants are thought to increase the risk of autism.

The study suggests that variants linked to autism also affect whether and when people have children. For instance, having variants that lead to social difficulties might make it hard to find a mate.


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https://spectrumnews.org/news/genetic-risk-factors-autism-may-affect-family-size/
Date
10th August 2017
Source
Spectrum

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