Can COVID-19 vaccines affect my period? It's not known, but researchers are starting to study the issue. Vaccines are designed to activate your immune system, and some experts have wondered if that could temporarily disrupt menstrual cycles.
So far, reports of irregular bleeding have been anecdotal. And it’s hard to draw any links to the vaccines since changes could be the result of other factors including stress, diet and exercise habits.
There's also a lack of data tracking changes to menstrual cycles after vaccines in general. If scientists do eventually find a link between the vaccine and short-term changes in bleeding, experts say that would be no reason to avoid getting vaccinated. “The benefits of taking the vaccine certainly way