Neural tube defects

Definition

Neural tube defects are serious birth defects of the brain, spine, or spinal cord that occur during the first month of pregnancy. They result from the neural tube failing to close completely.

5 Must Know Facts For Your Next Test

1. Folic acid deficiency is a major risk factor for neural tube defects.
2. Neural tube defects can lead to conditions such as spina bifida and anencephaly.
3. Pregnant women are advised to take 400-800 micrograms of folic acid daily to prevent neural tube defects.
4. Early prenatal care and proper nutrition can significantly reduce the risk of neural tube defects.
5. Genetic factors and maternal health conditions like diabetes can also contribute to the occurrence of neural tube defects.

Review Questions

• What role does folic acid play in preventing neural tube defects?
• Name two conditions that result from neural tube defects.
• How much folic acid is recommended daily for pregnant women to prevent neural tube defects?

Related terms

Folic Acid:

A B-vitamin essential for cell growth and reproduction, crucial in preventing neural tube defects.

Spina Bifida: A type of neural tube defect where the spine does not form properly, leading to physical disabilities.

Anencephaly:

A severe neural tube defect where a major portion of the brain, skull, and scalp is missing at birth.