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A birth defect is a problem that happens while the baby is developing in the mother’s body. Most birth defects happen during the first 3 months of pregnancy. This page presents frequently asked questi... Details >
National Center on Birth Defects and Developmental Disabilities
The ectodermal dysplasia (ED) syndromes are a group of about 150 heritable disorders that affect the ectoderm, the outer layer of tissue in a developing baby. ED syndromes affect both males and female... Details >