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Energy availability and infertility.

Anne B Loucks1

  • 1Department of Biological Sciences, Ohio University, Athens, Ohio 45701, USA. loucks@ohio.edu

Current Opinion in Endocrinology, Diabetes, and Obesity
|November 6, 2007
PubMed
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Reproductive function in women depends on energy availability. Nutritional interventions for anorexia nervosa may improve if guided by energy availability and ovarian volume, not just weight.

Area of Science:

  • Reproductive endocrinology
  • Nutritional science
  • Clinical psychology

Background:

  • Reproductive function in women is sensitive to energy availability.
  • Anorexia nervosa treatment often focuses on weight restoration.
  • The role of energy availability in reproductive recovery is increasingly recognized.

Purpose of the Study:

  • To connect research on reproductive function and energy balance with clinical practice in anorexia nervosa.
  • To explore the concept of energy availability in managing reproductive dysfunction.

Main Methods:

  • Review of recent research on energy availability and reproductive function.
  • Analysis of clinical experience in treating anorexia nervosa.
  • Integration of findings to inform treatment strategies.

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Main Results:

  • Luteinizing hormone pulsatility's dependence on energy availability decreases with age, but leptin's response does not, suggesting declining central sensitivity.
  • Energy availability may be insufficient in anorexia nervosa patients who do not regain menstrual cycles after weight recovery.

Conclusions:

  • Energy availability is a key concept for understanding and managing the reproductive effects of energy balance.
  • Nutritional interventions for anorexia nervosa could be enhanced by considering energy availability and ovarian volume alongside traditional metrics like weight and intake.