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AzTrials

Menstrual CycleNCT07766577

Menstruel Cycle Knowledge Questionnaite

An observational study of Menstrual Cycle and Athletes, run by Biruni University at 2 sites in Turkey (Türkiye).

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

Menstrual health is an important component of women's physical, mental, and social well-being. Adequate knowledge of the menstrual cycle is essential for distinguishing between normal and abnormal menstrual patterns, facilitating the early recognition of potential health problems, and promoting appropriate health… Read more about this study

Who is it for?
Ages 16 to 35 years, women onlyHealthy volunteers can take part
Conditions the study is for
Menstrual Cycle, Athletes
What is being tested?
Menstrual Cycle Knowledge Questionanire, Menstrual Symptom Scale and Health Literacy in Sports
How many people
121 participants
Where
2 sitesTurkey (Türkiye)
Study dates
15 Aug 2026to 7 Sep 2026
How long will I take part?
15 Days
Phase
Observational
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 16 to 35 years
  • Women only
  • Healthy volunteers accepted
  • Child, Adult

Study population: The study population will consist of female athletes and sedentary women aged 16-35 years who meet the eligibility criteria and voluntarily agree to participate in the study. Female athletes will be licensed competitive athletes participating in sports for at least 5 hours per week.

Who may be able to join

  • Being between 16 and 35 years of age
  • Being willing to participate in the study
  • Being able to read and write in Turkish and having sufficient language proficiency to understand the questionnaires used in the study
  • Participating in sports for at least 5 hours per week
  • Being a licensed athlete who participates in competitive sports

Who cannot join

  • Having a history of psychiatric disorders that may affect cognitive functioning (e.g., schizophrenia, bipolar disorder, severe depression, or attention-deficit/hyperactivity disorder)
  • Having insufficient proficiency in reading and understanding Turkish

Trial locations and contacts

2 sites in 1 country.

Turkey (Türkiye)2 sites

  • Biruni University

    Istanbul, Istanbul, 34103

  • Biruni University

    Zeytinburnu, Istanbul, 34103

Other trials in Turkey (Türkiye)

About this study

Official title: Turkish Validity and Reliability of the Menstrual Cycle Knowledge Questionnaire in Female Athletes

Menstrual health is an important component of women's physical, mental, and social well-being. Adequate knowledge of the menstrual cycle is essential for distinguishing between normal and abnormal menstrual patterns, facilitating the early recognition of potential health problems, and promoting appropriate health behaviors. This is particularly important for female athletes, given the high prevalence of menstrual disturbances and the potential influence of the menstrual cycle on physical symptoms, mood, and athletic performance. However, validated and standardized tools for assessing menstrual cycle knowledge are limited in the Turkish literature. The Menstrual Cycle Knowledge Questionnaire (MCKQ) is a 12-item instrument specifically developed to assess knowledge of the menstrual cycle. This study aims to culturally adapt the MCKQ into Turkish and evaluate the validity and reliability of the Turkish version among both sedentary and physically active women, thereby providing a standardized assessment tool for use in the Turkish population.

Being tested
Menstrual Cycle Knowledge Questionanire, Menstrual Symptom Scale, Health Literacy in Sports
Keywords
reliability, validity, turkish, menstrual health knowledge questionnaire

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Menstrual Cycle Knowledge QuestionanireOther

    Participants will complete a sociodemographic and menstrual characteristics assessment form, the Turkish version of the 12-item Menstrual Cycle Knowledge Questionnaire (MCKQ), and the Menstrual Symptom Questionnaire (MSQ). In addition, female athletes will complete the Health Literacy in Sports Scale. The MCKQ will be administered again after two weeks to assess test-retest reliability. The collected data will be used to evaluate the validity and reliability of the Turkish version of the MCKQ and its relationships with menstrual symptoms and health literacy.

  • Menstrual Symptom ScaleOther

    The severity of menstrual symptoms will be assessed using the Turkish version of the Menstrual Symptom Questionnaire (MSQ). The Turkish version consists of 22 items rated on a 5-point Likert scale and includes three subscales: Negative Effects/Somatic Complaints, Pain Symptoms, and Coping Methods. Each item is scored from 1 (never) to 5 (always). Higher scores indicate greater menstrual symptom severity.

  • Health Literacy in SportsOther

    Health literacy will be assessed among female athletes using the Health Literacy in Sports Scale. The scale consists of 18 items and three subscales: Healthy Lifestyle Behavior and Nutrition, First Aid Knowledge and Skills in Sports, and Healthy Environment in Sports. Each item is rated on a 5-point Likert scale ranging from 1 (strongly disagree) to 5 (strongly agree), with no reverse-scored items. The total score ranges from 18 to 90, with higher scores indicating higher levels of health literacy. Scores of 18-36, 37-71, and 72-90 indicate low, moderate, and high health literacy, respectively.

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Menstrual Cycle Knowledge Questionnaire

    In the questionnaire scoring, each correct answer is awarded 1 point, whereas incorrect answers or "I don't know" responses are scored as 0 points. Higher total scores indicate a higher level of knowledge.

    Measured: Baseline

  2. Menstruel Cycle Knowledge Questionnaire

    In the questionnaire scoring, each correct answer is awarded 1 point, whereas incorrect answers or "I don't know" responses are scored as 0 points. Higher total scores indicate a higher level of knowledge.

    Measured: 15 days

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted14 Aug 2026
  2. Study start15 Aug 2026
  3. Primary completion7 Sep 2026
  4. Study completion7 Sep 2026

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Cohort
Time perspective
Cross-sectional
Enrolment
121 participants (actual)
Target duration
15 Days
IDs, dates and publications
ClinicalTrials.gov ID
NCT07766577
Sponsor's protocol ID
11
Status last verified
Sep 2026
First submitted
11 Aug 2026
Last updated
9 Sep 2026
Results posted
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
Undecided

Publications

  • Güvenç, G., Seven, M., & Akyüz, A. (2014). Menstrüasyon Semptom Ölçeği'nin Türkçe'ye Uyarlanması. TAF Preventive Medicine Bulletin, 13(5).

  • Koç, H., & Karadağ, A. (2025). Sağlık Okuryazarlığı: Sporda Sağlık Okuryazarlığı Üzerine Ölçek Geliştirme Çalışması. Spormetre Beden Eğitimi ve Spor Bilimleri Dergisi, 23(1), 84-97

  • Chesney MA, Tasto DL. The development of the menstrual symptom questionnaire. Behav Res Ther. 1975 Oct;13(4):237-44. doi: 10.1016/0005-7967(75)90028-5. No abstract available.

    PubMed 1238078

  • Fischer K, Kirschbaum EM, Nikoleizig L, Lautenbach F, McGawley K, Elbe AM. The Development and Validation of a Questionnaire That Assesses Female Athletes' and Coaches' Knowledge of the Menstrual Cycle. Eur J Sport Sci. 2025 Sep;25(9):e70019. doi: 10.1002/ejsc.70019.

    PubMed 40848291

  • Yilmaz MP, Yilmaz I, Ozdemir II, Dagci S, Guleroglu FY, Cetin A. Cross-Cultural adaptation and validation of adolescent menstrual bleeding questionnaire in a Turkish sample. BMC Womens Health. 2025 Jul 9;25(1):340. doi: 10.1186/s12905-025-03889-8.

    PubMed 40634899

  • Firat MZ, Kulakac O, Oncel S, Akcan A. Menstrual Attitude Questionnaire: confirmatory and exploratory factor analysis with Turkish samples. J Adv Nurs. 2009 Mar;65(3):652-62. doi: 10.1111/j.1365-2648.2008.04919.x.

    PubMed 19222663

  • Brown N, Knight CJ, Forrest Nee Whyte LJ. Elite female athletes' experiences and perceptions of the menstrual cycle on training and sport performance. Scand J Med Sci Sports. 2021 Jan;31(1):52-69. doi: 10.1111/sms.13818. Epub 2020 Sep 19.

    PubMed 32881097

  • Taim BC, O Cathain C, Renard M, Elliott-Sale KJ, Madigan S, Ni Cheilleachair N. The Prevalence of Menstrual Cycle Disorders and Menstrual Cycle-Related Symptoms in Female Athletes: A Systematic Literature Review. Sports Med. 2023 Oct;53(10):1963-1984. doi: 10.1007/s40279-023-01871-8. Epub 2023 Jun 30.

    PubMed 37389782

  • Gimunova M, Paulinyova A, Bernacikova M, Paludo AC. The Prevalence of Menstrual Cycle Disorders in Female Athletes from Different Sports Disciplines: A Rapid Review. Int J Environ Res Public Health. 2022 Oct 31;19(21):14243. doi: 10.3390/ijerph192114243.

    PubMed 36361122

  • Hansen A, Bayes J, Schloss J. Empowering Women Through Knowledge: A Systematic Review of Literature on Menstrual and Reproductive Health Literacy. Health Equity. 2025 Aug 14;9(1):357-374. doi: 10.1177/24731242251363080. eCollection 2025.

    PubMed 40918617

  • McGawley K, Sargent D, Noordhof D, Badenhorst CE, Julian R, Govus AD. Improving menstrual health literacy in sport. J Sci Med Sport. 2023 Jul;26(7):351-357. doi: 10.1016/j.jsams.2023.06.007. Epub 2023 Jun 22.

    PubMed 37407335

  • Raney EC. Menstrual health matters. Period. J Am Pharm Assoc (2003). 2024 Jan-Feb;64(1):222-225. doi: 10.1016/j.japh.2023.11.004. Epub 2023 Nov 7.

    PubMed 37940100

  • Hennegan J, Winkler IT, Bobel C, Keiser D, Hampton J, Larsson G, Chandra-Mouli V, Plesons M, Mahon T. Menstrual health: a definition for policy, practice, and research. Sex Reprod Health Matters. 2021 Dec;29(1):1911618. doi: 10.1080/26410397.2021.1911618.

    PubMed 33910492

Questions about this trial

What is this clinical trial studying?

An observational study of Menstrual Cycle and Athletes, run by Biruni University at 2 sites in Turkey (Türkiye).

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 5 inclusion and 2 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 9 Sep 2026. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 2 sites in Turkey (Türkiye). Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Menstrual Cycle Knowledge Questionnaire (time frame: Baseline). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT07766577, which also lists 13 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 9 Sep 2026.

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