Topic:What do I need to think about before I get pregnant?
(Folic acid supplementation)
Untitled
  1. MRC Vitamin Study Research Group. Prevention of neural tube defects: results of the Medical Research Council Vitamin Study. Lancet 1991;338:131-7.
  2. Czeizel AE, Dudas I. Prevention of the first occurrence of neural-tube defects by periconceptional vitamin supplementation. NEJM 1992;327:1832-5.
  3. Werler MM, Shapiro S, Mitchel AA. Periconceptional folic acid exposure and risk of occurrence of neural tube defects. JAMA 1993;269:1257-61.