Menstrual cycle symptoms and female health

Is this trial a fit for you?

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This observational study examines the prevalence of menstrual cycle symptoms and related gynecologic conditions in women aged 18–45 who are naturally menstruating. By collecting data on perimenstrual and intermenstrual symptoms, the study aims to characterize how these experiences vary across individuals and life stages. The research will not involve an intervention but will document associations between hormonal fluctuations and symptoms to inform future care. Findings may highlight underdiagnosed conditions and support improved awareness of menstrual health. Participation is limited to women without recent pregnancy or hormonal contraception use who are treated at Universidad Rey Juan Carlos in Madrid, Spain.

Why it matters

Who can join: the full rules

Inclusion Criteria:

* Females
* Between 18 and 45 years
* Naturally menstruating.

Exclusion Criteria:

* Pregnant or breastfeeding.
* Hormonal contraceptive methods during the 6 months before the study.
* hysterectomy or ooforectomy.
* Smoking.

Where it's running

• Universidad Rey Juan Carlos
  Madrid, Spain Recruiting

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How to take part

1. Review the eligibility criteria above with your treating physician.
2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.