Common+and+rare

= ﻿**Is Spina Bifida common?** = === ﻿You might not know this, but Spina Bifida is the most common birth defect in the United States. It affects 1,500 babies each year. 95% of babies with disease are born to parents that have no history of these disorders. The most rare form of Spina Bifida is Meningocele, Occulta is the mildest form, and Myelomeningocele is the most severe and the most common of the three different levels of the disease. ===