Anencephaly is a neural tube defect that results in the development of a fetus lacking a brain. This defect occurs about once in every 1000 births.

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This statement is true. Anencephaly is a rare birth defect that occurs in about 1 out of every 1000 pregnancies. It occurs when the neural tube, which forms the brain and spinal cord, fails to close properly during fetal development. As a result, the fetus is born missing most or all of the brain, and is not usually able to survive for more than a few hours or days after birth.

Anencephaly Is a Neural Tube Defect That Results in the Development