The recommended daily allowance (RDA) of folic acid during pregnancy is 0.6 mg. However, most prenatal multivitamins/mineral supplements will provide up to 1 mg of folic acid.   However, most prenatal multivitamins/mineral supplements will provide up to 1 mg of folic acid1.   The Society of Obstetricians and Gynaecologists of Canada recommends that women, with no personal health risks for neural tube defects, take a multivitamin with 0.4 mg to 1.0 mg of folic acid throughout pregnancy2.   1 Health Canada. Prenatal Nutrition Guidelines for Health Professionals. 2009.https://www.canada.ca/en/health-canada/services/food-nutrition/reports-publications/nutrition-healthy-eating/prenatal-nutrition-guidelines-health-professionals-background-canada-food-guide-2009.html  Page visited: August 28, 2017.2 Society of Obstetricians and Gynecologists of Canada. J Obstet Gyneacol Can. 2015; 37(6):534-549.