Nutrition in Pregnancy
The study of carbohydrate metabolism in pregnancy dominates this Colloquium together with questions relating to the problems of pregnant diabetic women. This chapter deals with neither of these two themes but seeks to explore whether there are general principles of nutrition in pregnancy which might be applicable to the problems covered by other contributors. As with other studies involving a nutritional component, the effect of a diet depends not only on the amount of specific nutrients eaten but on the individual’s genetically determined response to that diet. Superimposed on this interaction is the physiological effect of pregnancy. Unfortunately we also have to recognize that a pregnant woman may deliberately change her diet and its effects are then modified by the different levels of the nutrient stores achieved in the prepregnant state. Only when one recognizes these different components of the problem will it be possible to assess the nutritional state of a pregnant woman in a meaningful way. This chapter illustrates some of these themes by reviewing evidence relating to protein needs, and vitamin and trace element metabolism in pregnancy.
KeywordsFolic Acid Nicotinic Acid Serum Ferritin Diamine Oxidase Neonatal Blood
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