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  • Title: Tolbutamide treatment of pregnant mice: repeated administration reduces fetal lethality.
    Author: Belisle RJ, Long SY.
    Journal: Teratology; 1976 Feb; 13(1):65-70. PubMed ID: 943864.
    Abstract:
    Pretreatment of pregnant BALB/c mice with several low doses of tolbutamide protected against the fetolethal effects of a high dose. Pregnant mice were given single ip injections of 400 mg/kg in saline on day 13; 100 mg/kg/day on days 10, 11, 12, and 13; or 100 mg/kg/day on days 10, 11, and 12 and 400 mg/kg on day 13. On day 16 the single-treatment group had a significantly higher resorption rate than any other group. Fetolethality was not related to hypoglycemia. The protective effect of pretreatment may have been due to induction of maternal microsomal enzymes.
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