她说：“最好还是服用叶酸，承担患染哮喘的风险，而不要因日常饮食中叶酸盐摄入量不足而面临脊柱裂之类真正严重的风险。”
It's better to have the folic acid and take my chances of asthma against the really serious risk of spina bifida that low folate intake in your diet can cause.
如果能够的话，最好是在你怀孕之前以及怀孕后头3个月内服用叶酸补剂，随后通过食用菠菜等获得天然叶酸盐。
The best thing is to take folic acid before you conceive, if you can, and for the first three months, and then get folate naturally from then on through eating things such as spinach, " she said.
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