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Physical activity and reproductive function in women

B I Nesheim, P Bergsjø

Scandinavian Journal of Social Medicine. Supplementum

|January 1, 1982

Summary

Heavy physical stress in female athletes may affect reproductive health, including delayed menarche and potential ovarian function issues. More research is needed on menstruation, contraception, and pregnancy impacts on athletic performance.

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Area of Science:

Sports Medicine
Reproductive Endocrinology
Exercise Physiology

Background:

Limited research exists on the impact of intense physical training on female athletes' reproductive health.
Anecdotal evidence suggests potential links between heavy training and delayed menarche or menstrual irregularities.

Purpose of the Study:

To explore the relationship between high physical stress and reproductive function in sportswomen.
To review existing knowledge on menstrual cycle disturbances, ovulation, and athletic performance.
To examine the influence of contraception and pregnancy on performance in female athletes.

Main Methods:

Literature review of studies investigating heavy physical stress and reproductive health in female athletes.
Analysis of findings related to menarche, menstrual rhythm, ovarian function, and ovulation.
Examination of data on athletic performance during menstruation, pregnancy, and labor.

Main Results:

Some young female athletes experience delayed menarche.
Studies on menstrual rhythm in highly trained women are inconclusive, but suggest potential ovarian dysfunction or delayed ovulation.
Evidence regarding performance decrements during menstruation or the effects of contraception on performance is limited.
No objective evidence indicates training is harmful during pregnancy or complicates labor.

Conclusions:

Heavy physical stress in sportswomen may be associated with reproductive disturbances, though evidence is not definitive.
Further research is required to clarify the effects of intense training, menstrual cycle variations, contraception, and pregnancy on female athletes' reproductive health and performance.

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