Genetic causes are estimated to be responsible for only about 10% of identified cases of intellectual disability.

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Genetic causes are estimated to be responsible for about 30-50% of identified cases of intellectual disability, depending on the specific population and diagnostic criteria used. Other causes include environmental factors, prenatal and perinatal complications, and postnatal factors such as injury, infection, and malnutrition.

Genetic Causes Are Estimated to Be Responsible for Only About