Another Study Confirms COVID Vaccine Alters Menstrual Cycles
![checking menstrual cycle](https://staging.thevaccinereaction.org/wp-content/uploads/2022/10/menstrual.webp)
A study published in the BMJ Medicine in August 2022 involving almost 20,000 women found an association between those who received a COVID-19 shot and an increased length in menstrual cycles. Of the 15,000 vaccinated women in the study, two-thirds received Pfizer/BioNTech’s COVID messenger RNA (mRNA) biologic, but the data also included women who received […]
NIH-Funded Study Found COVID-19 Shots Impact Menstrual Cycles
![woman experiencing menstrual pain](https://staging.thevaccinereaction.org/wp-content/uploads/2022/03/menstrual-pain.png)
A U.S. cohort study assessing the effect of COVID-19 shots on menstrual cycles was peer reviewed and published in the journal Obstetrics & Gynecology on Jan. 5, 20221 after many women spoke out about changes to their menstrual cycles after receiving COVID shots. The U.S. National Institutes of Health (NIH) provided $1.6 million to fund […]