Is micronutrients supplementation useful in pregnancy?
Maternal consumption of folic acid-containing prenatal multivitamins is associated with decreased risk for several congenital anomalies, not only neural tube defects. These data have major public health implications, because until now fortification of only folic acid has been encouraged. This approach should be reconsidered. (Prenatal Multivitamin Supplementation and rates of congenital anomalies: a meta-analysis. Goh YI, Bollano, E., Einarson, TR., Koren, G.)