Influenza and COVID Vaccinations' Effect on Menstrual Cycles
May 06, 2025
Media continue to cover a study led by Alison Edelman, M.D., and team that revealed a flu vaccine, either given alone or with a COVID-19 vaccine during the follicular phase, was linked to minor changes in the length of the menstrual cycle of less than one day, but the length of the cycle bounced back to normal soon after.