Parameters of were determined for acid-alkali state of blood, energy, nitrogen, protein and mineral metabolism in fetuses and animals at the last period of pregnancy. It was established that one can observe the state of compensated acidosis, intensification of glycolytic and inhibition ot aerobic processes in animals with late pregnancy; that is evidenced by changes in the content of glucose, the level and the value of correlation of the components of lactate-, malate- and glutamate dehydrogenase systems, activity of lactate dehydrogenase, alkali phosphatase, alanine- and aspartate aminotransferase as well as electrolyte composition of the organism tissues. Analogous changes in metabolism are observe in the fetus tissues in late antenatal period of development.
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