Study Centers
Participating sites include Arkansas, California, Georgia (CDC), Iowa, Massachusetts, New York, North Carolina, Texas, and Utah. The New Jersey site has also been part of the study.
Because many types of birth defects occur at such low rates, it is difficult to conduct studies that include enough children with specific birth defects. NBDPS gives us a unique opportunity to create a study group large enough to determine what environmental, genetic, and behavioral factors cause or contribute to specific birth defects