Congenital refers to a condition existing at or before birth regardless of cause. Of these disorders, those characterized by structural deformities are termed "congenital anomalies" and involve defects in a developing fetus
A birth defect, also known as a congenital disorder, is a problem that happens while the baby is developing in the mother’s body. It may affect how the body looks, works or both. It can be found before birth, at birth, or anytime after birth. Birth defects can vary from mild to severe.