COVID-19: Does the Virus or Vaccine Mess With the Menstrual Cycle?
It’s completely normal for menstrual cycles to vary slightly from month to month, but if you’ve noticed unusual changes right around the time you had COVID-19 or the vaccination or booster shots that help prevent it, it’s not all in your head. You’re part of a scientifically recognized crowd.On September 27, 2022, a large study published in BMJ Medicine confirmed the findings of previous research that linked COVID-19 vaccination with a temporary average increase in menstrual cycle length of less than one day. For study participants who received only one vaccine dose per cycle, the number of days in a cycle had returned to pre-vax lengths in the cycle after vaccination.There was a larger increase in cycle length, almost four days, for individuals who happened to receive two doses of a…