possess Defects Birth defects, or congenital malformations, atomic calculate 18 the imperfect formation of structures or physical structure move present at birth. Sporadic, hereditary, or acquired defects whitethorn be at present observed or may become manifest later(prenominal) in animatenesstime; they may be visible on the body come or present intern each(prenominal)y. Birth defects may be life threatening and require surgical correction, or they may interject with function or appearance. It is estimated that about 3% of all children are born with major defects; minor defects or variations are estimated to surpass in 10% to 15% of births. Malformations may be hotshot or multiple.
Multiple malformations that occur in a unremitting recognizable pattern are referred to as syndromes--for example, the foetal inebriant SYNDROME sometimes observed in infants of mothers who drank heavily when pregnant. Birth defects may result from the action of genes, chromosomes, or the environment on the ontogeny fetus, but often the cause cannot be determined. ...If you lack to exhaust a full essay, order it on our website:
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