NIH Study Shows COVID Shot Affects Menstrual Cycle
Menstrual cycles were longer by about a day when women received COVID-19 shots. When two doses were received in one cycle, the changes became more severe, in some cases changing by eight days or more.
A study in Obstetrics & Gynecology found that those who received COVID-19 shots had longer menstrual cycles, typically by less than one day, when they received the shots
The longer cycles were noted for both doses of the injection, with a 0.71-day increase after the first dose and 0.91-day increase after the second dose
Some women experie…
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