Should I start taking prenatal vitamins even before I start conceiving?

It is recommended that you take 400mcg of folic acid at least 3 months before conception. http://www.babycenter.com/0_seventeen-things-you-should-do-before-you-try-to-get-pregnan_7171.bc If not, you can boost your folic acid intake through foods listed here: http://pregnant.sg/articles/10-foods-rich-in-folic-acid/