Spina bifida is known as the most common permanently disabling birth defect in the U.S. It occurs when the spine of the baby fails to close in the first months of pregnancy. The complications from SB are different for everyone and there is no known cure. It is sometimes linked to a lack of folic acid in the mother or environmental factors. It is good when planning a pregnancy to take preventative steps by taking a prescribed dose of folic acid months prior to conception. Spina Bifida rarely passes on to the next sibling born. Many families have had one child with these complications and many more children with none.