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# Menstrual cycle changes
- URL: https://www.whiteroseintelligence.com/menstrual-cycle-changes/
- Published: 1999-01-02T19:51:00.000Z
- Updated: 2025-06-25T19:53:25.000Z
- Author: Liam Sturgess
- Tags: Profiles, #docs, #disease

**Menstrual cycle changes** are a category of known [adverse events associated with COVID-19 vaccines](https://www.whiteroseintelligence.com/Adverse-events-associated-with-COVID-19-vaccines).

## Studies

- February 27, 2024: "[Timing of Coronavirus Disease 2019 (COVID-19) Vaccination and Effects on Menstrual Cycle Changes](https://pubmed.ncbi.nlm.nih.gov/38412506/)"  
  - Published in *Obstetrics & Gynecology*
  - Authored by Alison Edelman, Emily Boniface, Victoria Male, Sharon Cameron, Eleonora Benhar, Leo Han, Kristen Matteson, Agathe van Lamsweerde, Jack Pearson and Blair Darney
- June 19, 2025: "[Rates of successful conceptions according to COVID-19 vaccination status: Data from the Czech Republic](https://journals.sagepub.com/doi/10.1177/09246479251353384)"  
  - Published in *International Journal of Risk & Safety in Medicine*
  - Authored by Vibeke Manniche, Tomáš Fürst, Max Schmeling, Jonathan Gilthorpe and Peter Riis Hansen