What question did this study set out to answer?

The research aims to examine changes in menstrual-related symptoms and cycle abnormalities among Japanese Olympic athletes over the years.

April 14, 2026Open Access

Changes in the prevalence of menstrual-related symptoms and menstrual cycle abnormalities among Japanese Summer and Winter Olympic athletes over the past seven Olympic Games

Key Points

The research aims to examine changes in menstrual-related symptoms and cycle abnormalities among Japanese Olympic athletes over the years.
Analyzed menstrual cycle data across seven Olympic Games
Compared symptom prevalence among athletes
Considered repeated participation in analysis
A significant increase in irregular menstrual cycles over 12 years
Dysmenorrhea prevalence showed a significantly increasing trend

Abstract

Irregular menstrual cycles significantly increased among elite Japanese female athletes over 12 years. Furthermore, accounting for repeated participation revealed a significantly increasing trend in dysmenorrhea. These findings highlight the need for continued comprehensive gynecological support and education to optimize the health and performance of female athletes.

Changes in the prevalence of menstrual-related symptoms and menstrual cycle abnormalities among Japanese Summer and Winter Olympic athletes over the past seven Olympic Games

Key Points

Abstract

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