A health care worker prepares a coronavirus vaccine(photo credit: OLIVIER FITOUSSI/FLASH90)

No data yet, but Israeli doctor says changes in menstrual cycle ‘not dangerous’
“I have heard about this,” confirmed Dr. Ella Kitroser, an OB-GYN for Leumit Health Services. She told The Jerusalem Post that while irregular menstrual cycles could prove to be “a major concern for the Jewish Orthodox community because they really bother their life policies, medically they are not so dangerous.”
According to Kitroser, there are no current medical studies on the subject and “all we can say is that it happens for some women. We don’t know if it is related to the vaccine or being reported because people are talking about it and people therefore notice [these irregularities] more.”She said that irregular menstrual bleeding is a common problem for many women, so “it might just be something women notice around the vaccine, because we mentally look for any side effects because the vaccine is a new and scary thing.” The issue led Dr. Kathryn Clancy of the Department of Anthropology at the University of Illinois at Urbana-Champaign to launch a research study on the subject.“The purpose of this study is to understand the menstrual experiences of people after they have been vaccinated for COVID-19,” the research consent form explains.
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The survey, she told the Chicago Tribune, will only look at trends and not be able to identify cause and effect. launched the survey because of her own experience. “A colleague told me she has heard from others that their periods were heavy post-vax. I’m curious whether other menstruators have noticed changes too? I’m a week and a half out from dose 1 of Moderna, got my period maybe a day or so early, and am gushing like I’m in my 20s again,” Clancy tweeted. “Does this have to do with the way the vax response is mounting a broader inflammatory response, possibly more so because of the lipid nanoparticle or mRNA mechanism? Either way I am fascinated! Inflammation + tissue remodeling = extra bleedypants!”Clancy launched her survey in April in collaboration with Katherine Lee, a postdoctoral research student at Washington University’s School of Medicine.Kitroser said that the issue should not deter women from getting the jab. “I think the vaccine is a wonderful thing,” she told the Post. “We can see its amazing effect on how our world and community is now healthier and we are getting past corona thanks to it. Everyone who can should get vaccinated.”She said that women who have questions or experience period changes after vaccination should consult their doctors and “not consult with anyone not qualified to give information about this.”

