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birth defect

A problem in how a part of the body is formed or works that is present when a baby is born.

BURTH DEE-fekt noun

What it means

Also called a congenital anomaly. Birth defects can be small or serious and can affect almost any part of the body. Examples are cleft lip and palate, heart defects such as a ventricular septal defectven-TRIK-yuh-ler SEP-tul DEE-fektA hole in the wall between the heart's two lower chambers, present from birth.Full entry , neural tubeNOOR-ul TOOBThe hollow structure in an early embryo that develops into the brain and spinal cord.neur/o nerve-al relating toFull entry defects and Down syndrome. Causes include genes, chromosome changes and teratogentuh-RAT-uh-jenAnything a pregnant person is exposed to that can cause birth defects in the developing baby.terat/o malformation-gen producingFull entry , but often no cause is found.

For the nurse

Teach prevention before and during pregnancy: folic acid, no alcohol or smoking, vaccines before pregnancy, and checking medicines with a provider. Folic acid taken before and in early pregnancy lowers the risk of spinal defects.

At a glance

Spanishdefecto de nacimiento
Also writtenbirth defects, birth-defects, congenital anomaly, congenital anomalies

Related terms

chromosome

A thread-like structure in the nucleus of a cell that carries the genes, made of tightly packed DNA.

neural tube

The hollow structure in an early embryo that develops into the brain and spinal cord.

teratogen

Anything a pregnant person is exposed to that can cause birth defects in the developing baby.

ventricular septal defect

A hole in the wall between the heart's two lower chambers, present from birth.

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