• L Hausmann, K M Goebel, and J Zehner.
• Swiss Med Wkly. 1976 Oct 23; 106 (43): 1470-4.

AbstractThe growth hormone, insulin and blood glucose values were measured during a glucose tolerance test in 12 women before and after 3 months' use of a contraceptive of the sequential type (11 pills containing 0.05 mg D-norgestrel and 0.05 mg ethinylestradiol and 10 pills containing 0.125 mg D-norgestrel and 0.05 mg ethinylestradiol). Neither fasting blood glucose nor glucose tolerance are altered during administration of the contraceptive steroids. On the other hand, the reactive insulin level is significantly increased in comparison to the basal value, thus showing the signs of hyperinsulinemia. Both the gestagens and the estrogens appear to contribute to this disturbance of insulin secretion. Presumably the hyperinsulinemia is an expression of decreased sensitivity of the peripheral tissue to insulin. The growth hormone, a so-called insulin antagonist, is not responsible for the "insulin resistance" observed. The values measured by us after administration of the contraceptive do not significantly differ from the basal values.

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