A study of 1,474 Clue app users found that women vaccinated against COVID-19 during the follicular phase had higher odds of ...

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 ...

The Center for Reproductive Health, University of Edinburgh reports that long COVID was associated with abnormal uterine bleeding in a UK population, with increased menstrual volume, longer duration ...