Some nutrients and vitamins are particularly important throughout your pregnancy. Sufficient folic acid, iron, calcium and vitamin d are just a few examples of the important vitamins and minerals needed for your babys growth and development which centrum prenatal complete multivitamin can provide you with! health canada recommends that all women who could become pregnant take a prenatal multivitamin containing folic acid to prepare for a healthy pregnancy and reduce the risks of neural tube defects.suggested use: 1 tablet daily with food. Take a few hours before or after taking other medications. Ingredients: vitamins, vitamin a (vitamin a acetate): 300 mcg/1000 iu, beta-carotene: 1500 mcg/2500 iu, vitamin e (dl- tocopheryl acetate): 13.5 mg/30 iu, vitamin c (ascorbic acid): 120 mg, folate (folic acid): 1 mg, vitamin b (thiamine mononitrate): 1.4 mg, vitamin b (riboflavin): 1.4 mg, niacinamide: 18 mg, vitamin b (pyridoxine hydrochloride): 5 mg, vitamin b (cyanocobalamin): 2.6 mcg, vitamin d (cholecalciferol): 15 mcg/600 iu, vitamin k: 45 mcg, biotin: 30 mcg, pantothenic acid (calcium d-pantothenate) : 6 mg, minerals, calcium (calcium carbonate and phosphate): 250 mg, iodine (potassium iodide): 220 mcg, iron (ferrous fumarate): 27 mg, magnesium (magnesium oxide): 50 mg, copper (cupric sulfate): 0.9 mg, manganese (manganese sulfate) : 2 mg, chromium (chromium chloride): 30 mcg, molybdenum (sodium molybdate): 50 mcg, selenium (sodium selenate): 60 mcg, zinc (zinc oxide): 7.5 mg.