How common are fetal alcohol spectrum disorders in the US? 4 findings

A study, published in JAMA, examines the prevalence of fetal alcohol spectrum disorders in the United States.

Researchers assessed 6,639 first-grade children for fetal alcohol spectrum disorders between 2010 and 2016 in four U.S. regions: Rocky Mountain, Midwestern, Southeastern and Pacific Southwestern. They assessed the children in the four domains that contribute to the fetal alcohol spectrum disorder continuum — dysmorphic features, physical growth, neurobehavioral development and prenatal alcohol exposure.

Here are four findings:

1. Researchers identified a total of 222 cases of fetal alcohol spectrum disorders.

2. The conservative prevalence estimates fetal alcohol spectrum disorders ranged from 11.3 to 50 per 1,000 children.

3. The weighted prevalence estimates fetal alcohol spectrum disorders ranged from 31.1 to 98.5 per 1,000 children.

4. Thus, using a conservative approach, researchers found estimated prevalence of fetal alcohol spectrum disorders among first-graders in four U.S. regions ranged from 1.1 percent to 5 percent.

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