Interventions to fortify foods with folic acid are recommended for preventing birth defects. Women of childbearing age need an extra 400 micrograms (mcg) of folic acid each day. Folic acid is a vitamin that can help prevent birth defects.
Guide To Community Preventive Services [Internet]. Atlanta: Centers for Disease Control and Prevention (US), Office of Surveillance, Epidemiology, and Laboratory Services, Epidemiology and Analysis Program Office, Community Guide Branch; [updated 2013 Mar 14]. Preventing Birth Defects, Task Force Recommendations & Findings, Interventions to Fortify Food Products with Folic Acid; [updated 2012 Mar 29; cited 2013 Feb 21]. Available from http://www.thecommunityguide.org/birthdefects/index.html