How do covid-19 vaccines affect your periods? Here’s what we know
Scientists are still learning about the potential effects of covid-19 vaccines on menstruation Steve Taylor/SOPA Images/LightRocket via Getty Images
In February, Kate Clancy at the University of Illinois in the US, tweeted that she had got her period early was bleeding heavily following her first dose of the Moderna coronavirus vaccine, asked if others had a similar experience. Such was the response online that just 21 minutes later she had decided to set up a research survey to study the issue. Answers from that study will be forthcoming, but preliminary data from the UK …