What is Spina Bifida and what causes this condition
Spina bifida is a type of birth defect called a neural tube defect. It occurs when the bones of the spine (vertebrae) don't form properly around part of the baby's spinal cord. Spina bifida can be mild or severe.1  The mild form is the most common. 2  It usually doesn't cause problems or need treatment.pina bifida is a type of birth defect called a neural tube defect. It occurs when the bones of the spine (vertebrae) don't form properly around part of the baby's spinal cord. Spina bifida can be mild or severe. 1  The mild form is the most common.