Actively Recruiting
How Female Cyclists Train Through Their Menstrual Cycle Observational Study of Menstrual Cycle-Based Periodized Training Using JOIN App
Led by Martini Hospital Groningen · Updated on 2025-07-28
750
Participants Needed
2
Research Sites
104 weeks
Total Duration
On this page
Sponsors
M
Martini Hospital Groningen
Lead Sponsor
A
Antonius Ziekenhuis
Collaborating Sponsor
AI-Summary
What this Trial Is About
Researchers are studying how the menstrual cycle affects female cyclists' training and performance. The study focuses on understanding the influence of hormonal changes during the cycle on endurance, recovery, muscle strength, motivation, and mental aspects related to training. This research aims to provide insights that could help customize training programs based on individual menstrual cycles for better effectiveness. The study involves female cyclists who use the JOIN cycling app to track their menstrual cycles alongside subjective and objective training data. Participants can adjust their training advice based on menstrual cycle-related discomfort. The study is observational and will monitor the health of the menstrual cycle and training parameters over one to two years. Participants will be closely monitored through the JOIN app, providing data on their menstrual cycle progress and training metrics such as endurance and power. Researchers will assess both subjective feelings and objective performance measures. The study will explore the feasibility of menstrual cycle-based periodized training and its effects on recovery, with a total participation period of up to two years.
CONDITIONS
Brief Title
Cycling Through the Menstrual Cycle
Who Can Participate
Eligibility Criteria
You may qualify if you...
- JOIN cycling app member
- Female cyclist
- Provided informed consent for period tracking in JOIN
You will not qualify if you...
History of severe allergic reactions to study medication Currently pregnant or breastfeeding Recent participation in another clinical trial within the last 30 days Presence of uncontrolled medical conditions that could affect safety
AI-Screening
AI-Powered Screening
Complete this quick 3-step screening to check your eligibility
Your Study Journey
Duration - 2 to 4 weeks
Participants are screened for eligibility to participate in the trial.
1 visit (in-person or virtual)
Duration - Up to 2 years
Participants track their menstrual cycle and record subjective and objective training parameters using the JOIN cycling app.
Continuous data entry through the app with no required in-person visits
Trial Site Locations
Total: 2 locations
1
Martini Ziekenhuis
Groningen, Netherlands, 9728 NZ
Not Yet Recruiting
2
Martini ziekenhuis
Groningen, Netherlands, 9728 NZ
Actively Recruiting
Research Team
A
Anne Marijn van der Graaf, MD/PhD
M
Margot Verleg
How is the study designed?
Study Type
OBSERVATIONAL
Masking
N/A
Allocation
N/A
Model
N/A
Primary Purpose
N/A
Number of Arms
1
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