Birth defects may be caused by nutritional deficiencies of the mother and can be avoided by ensuring a good diet with supplemental vitamins and minerals and also by avoiding [[alcohol]] and [[tobacco]]. [[Folic acid]] is a common supplement. | Birth defects may be caused by nutritional deficiencies of the mother and can be avoided by ensuring a good diet with supplemental vitamins and minerals and also by avoiding [[alcohol]] and [[tobacco]]. [[Folic acid]] is a common supplement. |