Spinal bifida is the incomplete closure of the vertebral canal, often associated with a similar anomaly of the spinal cord. It is the most common neural tube defect, occurring in 6 per 10,000 live births.
Recent implementation of prenatal screening measures - specifically measuring the maternal alpha feto protein levels with the possibility of therapeutic abortion - has led to a decline in the incidence of this condition in Britain.
Broadly the lesions can be divided into occulta and cystica defects.
Last reviewed 01/2018