How good is the information that you see on this webpage? For that matter, how good is the information that you get on any webpage, or in the media in general?
Is this a trick question? The easy part to answer is regarding folic acid; all women should take 400 mcg of folic acid daily from the time they think about getting pregnant through at least the first twelve weeks of pregnancy, to prevent neural tube defects in the fetus (these can lead to serious birth
Folic acid is a B-vitamin that is essential for normal neural tube closure and development in the fetus.