How climate and air pollution relate to menstrual health and PCOS risk

Climate factors, racial/ethnic disparities, and menstrual cycle health

['FUNDING_R01'] · HARVARD UNIVERSITY D/B/A HARVARD SCHOOL OF PUBLIC HEALTH · NIH-11262320

This project looks at whether temperature, humidity, and air pollution across a person’s life affect menstrual cycles and the chance of developing PCOS in people of different racial and ethnic groups.

Quick facts

Phase['FUNDING_R01']
Study typeNih_funding
SexAll
SponsorHARVARD UNIVERSITY D/B/A HARVARD SCHOOL OF PUBLIC HEALTH (nih funded)
Locations1 site (BOSTON, UNITED STATES)
Trial IDNIH-11262320 on ClinicalTrials.gov

What this research studies

If you join, researchers will link your menstrual history and any PCOS diagnosis with local temperature, humidity, and air pollution measurements across your life. They will combine clinical records and self-reported cycle information from people of diverse racial and ethnic backgrounds with improved neighborhood-level exposure data. The team will look at exposures during pregnancy, childhood, and adulthood to pinpoint when environmental factors may matter most. Findings aim to explain disparities in menstrual health and guide ways to prevent or reduce harm from harmful climate and pollution exposures.

Who could benefit from this research

Good fit: Ideal candidates are people who menstruate (adolescents and reproductive-age women) who can share menstrual histories and live in areas with measurable air pollution and climate data.

Not a fit: This project is unlikely to benefit men, postmenopausal people, or those without menstrual cycles because it focuses on menstrual function and PCOS risk.

Why it matters

Potential benefit: If successful, the work could identify environmental contributors to irregular periods and PCOS and inform prevention or policy approaches to protect reproductive health.

How similar studies have performed: Prior research has linked air pollution and temperature to some reproductive outcomes like pregnancy loss and IVF success, but connections to menstrual irregularity and PCOS are less consistent and need better, more diverse studies.

Where this research is happening

BOSTON, UNITED STATES

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.

View on NIH RePORTER →

Last reviewed 2026-05-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.