SAN FRANCISCO -- On Monday, our sister station KGO-TV reported that some women are noticing changes in their menstrual cycles after getting COVID-19 vaccines. Since then, hundreds of people have ...

Your menstrual cycle does not operate in isolation from the rest of your body. After a COVID infection, long-distance travel, or major emotional upheaval, many women notice their periods arriving ...

Vaccines for the flu and COVID can alter the menstrual cycle. It’s not a permanent impact but for women who have a regular cycle, getting a flu shot or COVID vaccine changed the length of the ...

A new data analysis, published in Vaccine has found that women and menstruating people who had one or more mRNA-based COVID-19 vaccinations were more likely to experience changes to their menstrual ...