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    Andrew Thurston is originally from England, but has grown to appreciate the serial comma and the Red Sox, while keeping his accent (mostly) and love of West Ham United. He joined BU in 2007, and is the editor of the University’s research news site, The Brink; he was formerly director of alumni publications. Before joining BU, he edited consumer and business magazines, including for corporations, nonprofits, and the UK government. His work has won awards from the Council for Advancement and Support of Education, the In-House Agency Forum, Folio:, and the British Association of Communicators in Business. Andrew has a bachelor’s degree in English and related literature from the University of York. Profile

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There are 5 comments on Does the COVID Vaccine Affect Menstruation? A New BU Study Has Answers

  1. I want to highlight this from the piece: “The researchers determined that the small alteration they saw in cycle length was not caused by the vaccine itself, but was probably due to the body’s immune response to the vaccine”

    This a good summary of the new normal. If you body overacts to vaccines then perhaps the future is not for you. Can’t survive on a vegan diet, well that is your fault. The list goes on.

    1. This made me laugh too because the vaccine caused our immunity to respond that way. After every vaccine I got I missed 3 months of my cycle and I do believe it threw me into early menopause as well!

  2. I am 70. I stopped my period at age 50. I never had hot flashes at all.
    After my 3rd Pfizer Covid vax it was 6 months later I became a “teenager” again. I have been bleeding EVERY DAY for the last year. I bleed for a few hours and it stops. Then bleeding starts again anywhere from 12 hours to 36 hours later.
    I am NOT NOW nor EVER have been on any Meds for any condition. I don’t drink or smoke, have never used any “drugs” recreationally etc. I have a healthy diet of chicken, fish and lots of veggies. All in all I have been HEALTHY all my life…UNTIL the Pfizer vax!! This issue is NOT coincidental. As a biology major in college, I feel this mRNA factor is the root of the problem. The mRNA is not deteriorating as it should. It is the problem.

    1. I’m not saying the vaccine didn’t cause these problems but you should go to a doctor ASAP as they are quite unusual and worrisome. Bleeding like that is not good and could be a symptom of something serious, like uterine cancer, for example.

  3. I had 3 shots, 2 Pfizer, 1 Moderna…all 3 caused the same menstrual “reaction”…10-14 days later…PMS, then 18 days of bleeding. This is NOT coincidence. I have a very long history of my cycles on a period tracker to prove how unusual this was. I do not buy into those “studies”. I checked VAERS and others reported 18 day bleeding cycles. Pure logic dictates that if several (not sure how many) report 18 day bleeding cycles after receiving the Covid vaccine, clearly there’s a link. Why weren’t we contacted and in a study?!?!? (Yes, I reported all three)

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