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Spina bifida is a type of neural tube defect (NTD) that affects the brain, spine, or spinal cord. It occurs very early in pregnancy—typically within the first month—when the protective spinal column surrounding the fetal spinal cord fails to close completely.
Causes and Risk Factors
While the exact cause remains unknown, medical research has identified key contributing factors:
- Genetic Predisposition: The condition tends to run in families, suggesting a hereditary link.
- Nutritional Deficiencies: A lack of folic acid (Vitamin B9) in the mother’s diet is strongly linked to neural tube defects.
- Developmental Timing: Damage occurs during the first 28 days of pregnancy, often before a woman even knows she is pregnant.
Symptoms and Complications
Because the spinal cord and nerves can be damaged, symptoms vary widely based on the location and severity of the opening:
| Area of Impact | Potential Effects |
| Mobility | Need for assistive devices like braces, crutches, or wheelchairs. |
| Cognition | Most have normal intelligence, though some experience learning difficulties. |
| Brain Health | Development of hydrocephalus (excess fluid buildup in the brain). |
| Bodily Functions | Complications with urinary and bowel control. |
Prevention and Detection
The Power of Folic Acid
Taking folic acid daily significantly reduces the risk of spina bifida. Healthcare providers recommend that all women who could become pregnant take a multivitamin containing folic acid, as the neural tube closes so early in gestation.
Diagnosis
- Prenatal Screening: Blood tests and ultrasounds during pregnancy can often detect the condition.
- Postnatal: In some cases, it is only discovered after the baby is born.
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