A U.S. National Institutes of Health study found that COVID-19 vaccines lengthened women's menstrual cycles.
The study, published in a January edition of Obstetrics & Gynecology, compared menstrual cycle lengths between women vaccinated and unvaccinated against COVID-19.
"For vaccinated individuals, data was from three consecutive cycles before vaccination and from three more consecutive cycles, including the cycle or cycles in which vaccination took place. For unvaccinated individuals, data was collected for six consecutive cycles," reads a summary of the study.
On average, the first vaccination dose was associated with a.71-day cycle increase in cycle length and the second dose with a.91-day increase.
Dr. Diana W. Bianchi, Director of the National Institutes of Health Eunice Kennedy Shriver National Institute of Child Health and Human Development, emphasized how "Little research has previously been conducted on how vaccines for COVID-19 or vaccines for other diseases could potentially influence the menstrual cycle."
NICHD and NIH's Office of Research on Women's Health funded the study as part of $1.67 million grant to explore potential links between COVID-19 vaccination and menstrual changes.
The outlet has run stories titled "Vaccines not linked to menstrual changes; COVID, flu shots can go together" and "No link found between menstrual changes and COVID vaccines."
Friday, January 28, 2022
U.S. Government Study Admits COVID Vaccine Lengthens Menstrual Cycles.
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