Should you sync your workouts to your cycle? new study seeks answers
NCT ID NCT05697263
First seen Jun 25, 2026 · Last updated Jun 26, 2026 · Updated 1 time
Summary
This study looks at whether scheduling workouts based on menstrual cycle phases improves fitness in women who exercise regularly. About 111 female athletes will follow different training schedules over three cycles. Researchers will measure changes in aerobic fitness, muscle strength, and body composition. The goal is to provide reliable, evidence-based advice for female athletes.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
What this could lead to
If successful, this study could provide clear, evidence-based guidance on whether tailoring workouts to menstrual cycle phases improves athletic performance.
What could go wrong
This is an early-stage, observational-style trial with no treatment. Results may show no benefit from periodization, and findings may not apply to all athletes.
Disclaimer
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the original study
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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Angelica Lindén Hirschberg
RECRUITINGStockholm, 17176, Sweden
Contact Email: •••••@•••••
Contact Phone: •••-•••-•••• Email: •••••@•••••