Could the COVID-19 vaccine affect your menstrual cycle? Here’s what you should know

As the COVID-19 vaccine rollout continues, more women report experiencing a change in their menstrual cycle after receiving their shot. Edissa Santay, tells KCRA 3 that the day after she received the Johnson & Johnson vaccine, she started her period, which lasted "10 to 11 days, which I found extremely odd and then after that, I started getting spotting in between and then I got the second period, which lasted the full cycle." And though there's still research being done, experts say cycle changes are very common and they can be attributed to stress, diet or other changes, so it's hard to link them to the vaccine. See more above.