孕早期(前3个月)每天吃多少叶酸最好啊?

孕前没有补过叶酸,6周时去做第一次检查医生开了叶酸片。5mg/片, 让每天吃一片。
但看网上都说0.4mg-0.8mg/天就够了。 这可是10倍的剂量啊。

姐妹们怀宝宝时都吃的多少的呀?



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5 个回答

贡娥鸣

没关系的,吃多了也会排出体外的。
之前在网上查过,据说新加坡医生开的都是4ml一片的,因为新加坡没有小剂量的叶酸??
应该没问题的,表担心。

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邹芳

这玩意多吃又没坏处。。。
就算你不怀孕,吃叶酸也没什么。叶酸主要是蔬菜里来的。

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乔蝶

小妹,你错了
正常好像不超过800毫克perday 吧。吃多了不好,国内这么说,这边好像无所为

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邹芳

800毫克。。。160颗啊,当糖豆吃么?
没人这么离谱吧,至多多吃颗把颗而已。我前天拿不准到底吃过了没,于是又吃了一颗。

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舒彪

微克。。。
Overdose risks

The risk of toxicity from folic acid is low, because folate is a water-soluble vitamin and is regularly removed from the body through urine.[62] The Institute of Medicine has established a tolerable upper intake level (UL) for folate of 1 mg for adult men and women, and a UL of 800 g for pregnant and lactating (breast-feeding) women less than 18 years of age. Supplemental folic acid should not exceed the UL to prevent folic acid from masking symptoms of vitamin B12 deficiency.[63] There is growing concern worldwide that prenatal high folic acid in the presence of low vitamin b12 causes epigenetic changes in the unborn predisposing them to metabolic syndromes, central adiposity and adult diseases such as Type 2 diabetes. Another active area of research and concern is that excess folic acid in utero causes epigenetic changes to the brain leading to autism spectrum disorders.

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  • 巩光 提出于 2019-07-19 21:57