Call for investigation: Does the Covid-19 vaccine have an impact on menstruation?

The National Institutes of Health (NIH) has given $1.67 million to five institutions to explore potential links between the Covid-19 vaccination and menstrual changes. This comes after more than 30,000 women in the UK reported irregular, missed or heavier periods after taking the coronavirus vaccine.

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The one-year supplemental grants have been given to Boston University, Harvard Medical School, Johns Hopkins University, Michigan State University and Oregon Health and Science University.

The new NIH research will establish if there is a correlation between menstrual changes and Covid-19 vaccines. And if so, why the change is occurring and for how long will it last. Researchers will also clarify the mechanisms underlying potential vaccine-related menstrual changes.

The study will improve the understanding of the effects of COVID-19 vaccines on menstruation. It will also give people who menstruate more information about what to expect after the vaccination and potentially reduce vaccine hesitancy.

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