The Influence of Oral Contraceptive Use on Muscle Recovery

  • STATUS
    Recruiting
  • End date
    May 1, 2022
  • participants needed
    40
  • sponsor
    University of Aarhus
Updated on 8 May 2021

Summary

There is still no one who has studied how oral contraceptive use affects recovery in trained women after repeated high-intensity workouts. Consequently, a well-controlled study is needed.

The project is designed as a controlled cohort study, where 20 oral contraceptive users will be compared with 20 non-users. After initial preliminary examination and habituation to the test procedures, the subjects will start the intervention in week 2 of their menstrual cycle / active contraceptive pill cycle. Before and 3h, 24h and 48h after 3 intense strength training sessions performed 2 days in a row, blood samples will be taken, muscle soreness measured and performance tests performed. The day before the first training session and over the 4 trial days, the subjects will receive a standardized diet.

Details
Condition Recovery, Oral Contraceptive Use
Treatment Training
Clinical Study IdentifierNCT04564300
SponsorUniversity of Aarhus
Last Modified on8 May 2021

Eligibility

Yes No Not Sure

Inclusion Criteria

BMI 18.5-30
Regular training minimum. 4 times a week (1 times strength training, 1 times endurance training / interval training or interval-based sports. If the interest in participation is greater than necessary, we will prioritize people who perform strength training at least twice a week)

Exclusion Criteria

Irregular menstruation over the last 6 months (shorter than 24 days or longer than 35 days cycle)
Used birth control pills for less than 6 months
Non-birth control pill users must not have used birth control pills, IUDs, birth control pills, or mini- pills for a maximum of 1 month during the last 6 months and not within the last 3 months up to the trial
Injuries / pain in the lower body, which prevents participation in intense strength training
Medication consumption that may affect protein metabolism and inflammatory parameters
Diabetes
Smoking
Unstable weight / major weight loss (weight fluctuations of more than 5 kg in the last six months)
Eating disorder
Pregnancy
Cannot read or understand Danish
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If you are confirmed eligible after full screening, you will be required to understand and sign the informed consent if you decide to enroll in the study. Once enrolled you may be asked to make scheduled visits over a period of time.

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