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  • Title: Effects of ethanol ingestion on maternal and fetal glucose homeostasis.
    Author: Singh SP, Snyder AK, Singh SK.
    Journal: J Lab Clin Med; 1984 Aug; 104(2):176-84. PubMed ID: 6379080.
    Abstract:
    Carbohydrate metabolism has been studied in the offspring of rats fed liquid diet containing ethanol during gestation (EF group). Weight-matched control dams were given liquid diet either by the pair-fed technique (PF group) or ad libitum (AF group). EF and PF dams showed reduced food consumption and attenuated gain in body weight during the gestation period compared with the AF group. Blood glucose, liver glycogen, and plasma insulin levels were significantly reduced in EF and PF dams. Ethanol ingestion resulted in a significant decrease in litter survival and fetal body weight. At term, EF pups on average showed a 30% decrease in blood glucose levels and 40% decrease in plasma insulin levels compared with AF pups. One hour after birth, EF pups exhibited a marked increase in blood sugar level compared with either control group; subsequently, there was a marked decrease in blood glucose levels in EF pups. Liver glycogen stores were significantly reduced in term EF fetuses and were mobilized more rapidly in EF neonates than in either control group. Fetal hyperinsulinemia disappeared shortly after delivery in control pups, as expected; however, in EF pups, the fall in plasma insulin level was gradual. Fetal and neonatal plasma glucagon levels were not altered by ethanol exposure in utero. Blood glucose levels remained significantly low at 2 days of age in EF pups, but reached near control values at 4 days of age. Plasma insulin and glucagon were nearly equal in EF and control pups at 2 and 4 days of age. These results show aberrations in blood glucose, plasma insulin, and liver glycogen levels in offspring exposed to ethanol in utero.
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