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Ovariectomy and 17β-estradiol Replacement in Rats and Mice: A Visual Demonstration

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Estrogen replacement therapy and female athletes: current issues.

D C Cumming¹, C E Cumming

¹Department of Obstetrics and Gynaecology, University of Alberta, Royal Alexandra Hospital, Edmonton, Alberta, Canada. dcumming@ualberta.ca

Sports Medicine (Auckland, N.Z.)

|December 12, 2001

Summary

Estrogen replacement may help bone density in female athletes with exercise-associated amenorrhoea. However, nutritional factors also play a role, and more research is needed to confirm estrogen

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Area of Science:

Reproductive endocrinology and sports medicine.

Background:

Exercise-associated amenorrhoea is often treated with estrogen replacement therapy.
Estrogen deficiency is a known cause of amenorrhoea and may contribute to bone density loss in athletes.
Nutritional factors may also influence reproductive dysfunction and bone health in female athletes.

Purpose of the Study:

To evaluate the effectiveness of estrogen replacement therapy in improving bone density in female athletes with exercise-associated amenorrhoea.
To explore the role of nutritional factors in bone density changes in this population.

Main Methods:

The study reviewed existing literature, noting the absence of randomized controlled trials on estrogen replacement in athletes.
One non-randomized study involving a small group of athletes was considered.

Main Results:

Evidence suggests estrogen deficiency underlies exercise-associated amenorrhoea.
A non-randomized study indicated potential bone density improvements with estrogen therapy in athletes.
The contribution of nutritional factors to bone loss requires further investigation.

Conclusions:

Estrogen replacement therapy shows promise for improving bone density in female athletes experiencing amenorrhoea.
Further randomized controlled research is essential to validate these findings and understand the interplay of nutritional factors.