Counter-regulatory response to hypoglycemia in the follicular and luteal phases of the menstrual cycle

Michael Peter Diamond, D. A. Grainger, G. Rossi, M. Connolly-Diamond, R. S. Sherwin

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Objective: To assess whether the phase of the menstrual cycle influences the counter-regulatory response to hypoglycemia. Design: Prospective randomized euglycemia-hypoglycemia clamp studies in the follicular and luteal phases of the menstrual cycle in the same woman. Settings: Clinical Research Center, Yale University School of Medicine. Patients: Eight regularly menstruating nonobese women. Main Outcome Measures: Counter-regulatory hormonal response to hypoglycemia-epinephrine, norepinephrine, glucagon, cortisol, GH, and PRL; glucose homeostasis: rates of whole-body glucose appearance and utilization, and the rate of hepatic glucose production. Results: In the follicular and luteal phases of the cycle fasting glucose levels (88 ± 1 and 85 ± 2 mg/dL, mean ± SEM, respectively; conversion factor to SI units, 0.05551), basal glucose turnover (2.37 ± 0.20 and 2.63 ± 0.13 mg/kg per minute), basal insulin levels (10 ± 1 and 9 ± 1 μU/mL; conversion factor to SI units, 6.0), and insulin levels during the clamp study (53 ± 3 and 45 ± 4 μU/mL) were not significantly different. During the euglycemic phase of both studies, glucose utilization rose twofold (to 4.73 ± 0.31 and 4.39 ± 0.31 mg/kg per minute): hepatic glucose production was suppressed; and counter-regulatory hormones remained unchanged. Induction of hypoglycemia produced increases in the concentrations of counter- regulatory hormones that were indistinguishable in both phases of the cycle. Similarly, the increase in hepatic glucose production provoked during hypoglycemia was similar in each phase of the cycle (1.20 ± 0.24 and 1.28 ± 0.36 mg/kg per minute). Conclusion: The counter-regulatory hormonal response to hypoglycemia, as well as the metabolic sequelae of these hormonal changes, are similar in the follicular and luteal phases of the menstrual cycle.

Original languageEnglish (US)
Pages (from-to)988-993
Number of pages6
JournalFertility and Sterility
Volume60
Issue number6
StatePublished - Jan 1 1993
Externally publishedYes

Fingerprint

Follicular Phase
Luteal Phase
Hypoglycemia
Glucose
International System of Units
Liver
Hormones
Insulin
Menstrual Cycle
Glucagon
Epinephrine
Hydrocortisone
Fasting
Norepinephrine
Homeostasis
Medicine
Outcome Assessment (Health Care)
Research

Keywords

  • counter-regulation
  • epinephrine
  • glucose turnover
  • Hypoglycemia
  • menstrual cycle

ASJC Scopus subject areas

  • Reproductive Medicine
  • Obstetrics and Gynecology

Cite this

Diamond, M. P., Grainger, D. A., Rossi, G., Connolly-Diamond, M., & Sherwin, R. S. (1993). Counter-regulatory response to hypoglycemia in the follicular and luteal phases of the menstrual cycle. Fertility and Sterility, 60(6), 988-993.

Counter-regulatory response to hypoglycemia in the follicular and luteal phases of the menstrual cycle. / Diamond, Michael Peter; Grainger, D. A.; Rossi, G.; Connolly-Diamond, M.; Sherwin, R. S.

In: Fertility and Sterility, Vol. 60, No. 6, 01.01.1993, p. 988-993.

Research output: Contribution to journalArticle

Diamond, MP, Grainger, DA, Rossi, G, Connolly-Diamond, M & Sherwin, RS 1993, 'Counter-regulatory response to hypoglycemia in the follicular and luteal phases of the menstrual cycle', Fertility and Sterility, vol. 60, no. 6, pp. 988-993.
Diamond, Michael Peter ; Grainger, D. A. ; Rossi, G. ; Connolly-Diamond, M. ; Sherwin, R. S. / Counter-regulatory response to hypoglycemia in the follicular and luteal phases of the menstrual cycle. In: Fertility and Sterility. 1993 ; Vol. 60, No. 6. pp. 988-993.
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AB - Objective: To assess whether the phase of the menstrual cycle influences the counter-regulatory response to hypoglycemia. Design: Prospective randomized euglycemia-hypoglycemia clamp studies in the follicular and luteal phases of the menstrual cycle in the same woman. Settings: Clinical Research Center, Yale University School of Medicine. Patients: Eight regularly menstruating nonobese women. Main Outcome Measures: Counter-regulatory hormonal response to hypoglycemia-epinephrine, norepinephrine, glucagon, cortisol, GH, and PRL; glucose homeostasis: rates of whole-body glucose appearance and utilization, and the rate of hepatic glucose production. Results: In the follicular and luteal phases of the cycle fasting glucose levels (88 ± 1 and 85 ± 2 mg/dL, mean ± SEM, respectively; conversion factor to SI units, 0.05551), basal glucose turnover (2.37 ± 0.20 and 2.63 ± 0.13 mg/kg per minute), basal insulin levels (10 ± 1 and 9 ± 1 μU/mL; conversion factor to SI units, 6.0), and insulin levels during the clamp study (53 ± 3 and 45 ± 4 μU/mL) were not significantly different. During the euglycemic phase of both studies, glucose utilization rose twofold (to 4.73 ± 0.31 and 4.39 ± 0.31 mg/kg per minute): hepatic glucose production was suppressed; and counter-regulatory hormones remained unchanged. Induction of hypoglycemia produced increases in the concentrations of counter- regulatory hormones that were indistinguishable in both phases of the cycle. Similarly, the increase in hepatic glucose production provoked during hypoglycemia was similar in each phase of the cycle (1.20 ± 0.24 and 1.28 ± 0.36 mg/kg per minute). Conclusion: The counter-regulatory hormonal response to hypoglycemia, as well as the metabolic sequelae of these hormonal changes, are similar in the follicular and luteal phases of the menstrual cycle.

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