To evaluate a child for birth defects, health care providers not only look at a child's newborn screening test results, but also look at the prenatal history of the mother during the pregnancy with the child, the child's neonatal and pediatric history, and the results of any genetic testing the child has had.
Parents may also note that the child being evaluated for a birth defect may seem different than other children in the family (i.e. one child walked and talked earlier than the other).
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