However, folic acid on its own often can't lower a high H level down to within a safe range.
Vitamins C + D Folic Acid (folate) is especially helpful in preventing birth defects.
Let p 1 be the true proportion of babies born with major birth defects to women who did not take folic acid.
Further work is also needed on the affinity chromatography procedure to enable total folic acid to be measured without further HPLC.
Folic acid deficiency is known to occur in pregnancy.
