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. 2016 Apr 21;2(2):FSO116. doi: 10.4155/fsoa-2015-0015

Figure 1. . Prevalence of neural tube defects (anencephaly and spina bifida) before and after mandatory folic acid fortification, by maternal race/ethnicity – 19 population-based birth defects surveillance programs, USA, 1995–2011.

Figure 1. 

Contributing programs are based in Arkansas, Arizona, California, Colorado, Georgia, Illinois, Iowa, Kentucky, Maryland, New Jersey, New York, North Carolina, Oklahoma, Puerto Rico, South Carolina, Texas, Utah, West Virginia and Wisconsin.

†95% confidence interval.

NTD: Neural tube defect.

Taken from Center for Disease Control and Prevention [7].