Insulin secretion and glucose metabolism were studied during intravenous and oral glucose tolerance tests performed in one day and seven day old full-term and premature infants. Mean glucose disposal during the intravenous tests was more rapid in seven day old than in one day old infants.
Insulin responses after intravenous glucose were characterized by higher insulin levels during the initial phase and lower levels during the second phase in both seven day old premature and full-term groups as compared with the patterns seen in one day old infants. No differences in the mean values for blood glucose and plasma insulin were found among the four groups of infants at any time during the oral tests.
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Copyright © 1974 by the American Diabetes Association
1974