After all, folate supplements have reduced the incidence of neural tube defects in pregnancy significantly. (idmprogram.com)
A daily dose of folic acid one month before conception and during the first three months of pregnancy has been shown to cut the risk of neural tube defects by around 75 per cent. (newscientist.com)
Nonetheless, folic acid is helpful in preventing neural tube defects, so taking folic acid is always a good idea even if you do not want to have twins. (newkidscenter.com)