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Although some birth defects can be controlled and treated, approximately 3.2 million of these children are lifelong disabled. In addition, birth defects are a leading cause of infant mortality in the United States causes. But where do these shortcomings come from? While some congenital defects are inherited, others are the result of harmful environmental factors known as dermatogens, while others are the result of complex interactions of genetic and environmental influences. But in about half of cases of birth defects, the causes are unknown.
Epidemiological studies conducted in recent years have shown that between 5% and 10% of the world’s population suffers from congenital anomalies.