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5 March 2011

Autism Linked To Maternal Grandmother's Age

A new study into autism has found that maternal grandmothers were nearly twice as likely to have an autistic grandchild if they were over 30 when they had the child's mother, and three times as likely if they were over 35. This may point to factors operating at the time when the mother was in the womb, which may influence her developing ovaries and thus the genomes of her future children.

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