This article is saying that a study found that taking a folic acid supplement up to a year in advance of TTC significantly reduces your risk for premature birth and certain birth defects.
https://www.chicagotribune.com/news/nationworld/la-sci-folate12-2009may12,0,4686566.story
I think I better start taking prenatals again just to be on the safe side!
Re: Article about taking folic acid supplement prior to TTC