1·Start taking a prenatal or multivitamin containing at least 400 MCG of folic acid per day as soon as you know you're ready for babies.
当你准备要一个孩子的时候，你要开始做产前检查，每天服用至少含有400微克叶酸的多维他命剂。
2·Three of the experts recommend 50 micrograms (mcg) or more of this essential mineral.
专家三建议 50微克（微克）或本必需的矿物质多。
3·Iodine (Kelp) - 150 MCG.
碘(海带)- 150微克。
4·But Murray recommends just 18 MCG, which skews the average significantly downward.
但是，美利建议，只有18微克，这打乱了平均显着下降。
5·I recommend 90 MCG a day.
我建议每天90微克。