Pharmacology and toxicology
Thiamine is important as a co-enzyme in carbohydrate metabolism. The need for vitamin B] (1-1.2 mg daily) only increases slightly during pregnancy, and there is a higher concentration in the fetal blood than in that of the mother. Thiamine deficiency can induce clinical symptoms within 1 week. Severe polyneuropathy can occur in chronic hyperemesis in pregnancy, and needs to be treated.
Recommendation. Supplementation with vitamin B| during pregnancy is, as a rule, unnecessary. There are no data suggesting teratogenicity with overdoses of thiamine.
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For many years, scientists have been playing out the ingredients that make breast milk the perfect food for babies. They've discovered to day over 200 close compounds to fight infection, help the immune system mature, aid in digestion, and support brain growth - nature made properties that science simply cannot copy. The important long term benefits of breast feeding include reduced risk of asthma, allergies, obesity, and some forms of childhood cancer. The more that scientists continue to learn, the better breast milk looks.