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Study confirms link between COVID-19 vaccination and temporary increase in menstrual cycle length
NIH ^

Posted on 09/27/2022 1:27:02 PM PDT by MNDude

A large international study has confirmed the findings of a previous U.S. study that linked COVID-19 vaccination with an average increase in menstrual cycle length of less than one day. The increase was not associated with any change in the number of days of menses (days of bleeding). Funded by the National Institutes of Health, the new study included data from nearly 20,000 people from Canada, the United Kingdom, the United States, Europe and other parts of the world who received any of nine different vaccines. For most study participants, the increase resolved in the cycle following vaccination.

The study’s principal investigator was Alison Edelman, M.D., M.P.H., of Oregon Health & Science University in Portland. It appears in the BMJ Medicine.

“These findings provide additional information for counseling women on what to expect after vaccination,” said Diana Bianchi, M.D., director of NIH’s Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD). “Changes following vaccination appear to be small, within the normal range of variation, and temporary.”

NICHD and NIH’s Office of Research on Women’s Health funded the study, which was part of $1.67 million awarded to five institutions to explore potential links between COVID-19 vaccination and menstrual changes.

A change in cycle length of less than eight days is considered within the normal range of variation. Although small menstrual changes may not be meaningful to health care professionals and researchers, the study authors wrote, perceived changes in a bodily function linked to fertility may be alarming to those experiencing it and could contribute to vaccine hesitancy.

(Excerpt) Read more at nih.gov ...


TOPICS:
KEYWORDS: chinavirusvaccine; covax; covaxmaladies; covid19; menstrualcycle; menstrualcycles; news; vaccines

1 posted on 09/27/2022 1:27:02 PM PDT by MNDude
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To: MNDude
I wonder if it affected Caitlyn Jenner's cycle. LOL


2 posted on 09/27/2022 1:32:57 PM PDT by Tell It Right (1st Thessalonians 5:21 -- Put everything to the test, hold fast to that which is true.)
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To: Tell It Right

Maybe its an “electric “ cycle?


3 posted on 09/27/2022 1:36:22 PM PDT by Reily
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To: MNDude

How do they know it’s temporary?


4 posted on 09/27/2022 1:41:15 PM PDT by Steely Tom ([Voter Fraud] == [Civil War])
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To: MNDude

5 posted on 09/27/2022 1:42:46 PM PDT by Yo-Yo (Is the /Sarc tag really necessary? Pray for President Biden: Psalm 109:8)
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To: MNDude

We’re about to see the birth of an entire generation with horrific genetic defects due to this monstrosity. Bet me.


6 posted on 09/27/2022 1:43:29 PM PDT by fwdude (Racism is not dead, but it is on life support - kept alive by politicians….” — Thomas Sowell)
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To: MNDude

Lying bastards said it was all fine just shut up and take the jab


7 posted on 09/27/2022 1:46:15 PM PDT by toddausauras (Stop ALL immigration NOW. )
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To: MNDude

8 posted on 09/27/2022 1:47:17 PM PDT by Paul46360 (What??ME worry?)
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To: MNDude

I already request my pap smear and mammogram, but it looks like I am suffering from amenorrhea, because I don’t get periods. I’ll add that to my list for my next woke health check list.


9 posted on 09/27/2022 2:00:25 PM PDT by blackdog ("That's an applause line you useful idiots" )
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To: MNDude

“temporary”


10 posted on 09/27/2022 2:06:50 PM PDT by T.B. Yoits
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To: Tell It Right

Come on. That’s Courtney Cox at 70. If I was in the same retirement community that would be one of my besties. Golf, long walks, a few beers, political jabber, sports commentary...yep. Caitlin would be on my list of pals if she’d have me and she left her other lunatic attention whores of a family elsewhere. After all, she’s hooked up with Mariel Hemmingway!


11 posted on 09/27/2022 2:07:41 PM PDT by blackdog ("That's an applause line you useful idiots" )
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To: Steely Tom

Precisely right! There is no scientific or clinical basis in Fact to make such a statement unless the definition of ‘temporary’ got changed. Also wondering about the miscarriages going on and the formerly pregnant people are told by their “trusted” OB the Jabs had nothing to do with it ... this after nearly 2 years of Jabbing and Remsdvir, still only a tiny fraction gets reported to VAERS. Frying the Reproductive organs of men and women seems to be a target of the Jabs. Purebloods, stay that way at all costs.


12 posted on 09/27/2022 2:20:33 PM PDT by Sioux-san
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To: MNDude

Whatever the NIH is admitting to, it is much worse. I believe it is called a “limited hang,” as in, “Stop harassing us about this because we already admitted it and it is old news.”


13 posted on 09/27/2022 2:20:55 PM PDT by Savage Rider
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To: MNDude; 2ndreconmarine; Fitzcarraldo; Covenantor; Mother Abigail; EBH; Dog Gone; ...
Infectious Disease ping - Information from NIH regarding vaccine affecting (women's) menstrual cycle
Reports from UK, USA, Europe, and Canada participants
Unknown if the statistics also include transgenders- not specified

"NICHD and NIH’s Office of Research on Women’s Health funded the study, which was part of $1.67 million awarded to five institutions to explore potential links between COVID-19 vaccination and menstrual changes.

A change in cycle length of less than eight days is considered within the normal range of variation.
Although small menstrual changes may not be meaningful to health care professionals and researchers, the study authors wrote,
perceived changes in a bodily function linked to fertility may be alarming to those experiencing it and could contribute to vaccine hesitancy.

Researchers analyzed de-identified data from the fertility tracking app, Natural Cycles.
Users of the app provided it information on their temperature and their menstrual cycles.
They also had the option to consent to the use of their de-identified data for research.
Worldwide rollout of COVID-19 vaccines allowed the study authors to expand on their original study of people in the United States.
The study included data from participants throughout the world, but most were from the United Kingdom (32%), the United States and Canada (29%) and Europe (34%).
In addition to the messenger RNA COVID-19 vaccines (Pfizer-BioNTech and Moderna), participants received COVID-19 vaccines made from engineered viruses
(AstraZeneca, Covishield, Janssen/Johnson & Johnson and Sputnik), and inactivated viruses (Covaxin, Sinopharm, and Sinovac).

A total of 19,622 individuals participated. Of these, 14,936 were vaccinated and 4,686 were not.
The researchers analyzed data on at least three consecutive cycles before vaccination and at least one cycle after.
Data from at least four consecutive cycles were analyzed over a similar time interval for unvaccinated participants.
On average, vaccinated people experienced an increase of less than one day in each cycle in which they were vaccinated: a .71 day increase after the first dose
and a .56 day increase after the second dose.
Participants who received both doses in a single cycle had a 3.91 day increase in cycle length.
After vaccination, cycle length had increased by only .02 days for individuals who received one dose per cycle,
and .85 days for individuals who received two doses in one cycle, compared to participants who were not vaccinated.
Changes in cycle length did not differ according to the type of vaccine received.

Of the total, 1,342 participants experienced a change in cycle length of eight or more days, comprising 6.2% of vaccinated individuals and 5.0% of unvaccinated individuals.
Women who were younger and who had longer cycle length before vaccination were more likely to experience the increase.

The authors called for future studies on other aspects of vaccination-linked changes to menstrual cycles, such as unexpected vaginal bleeding and menstrual flow and pain.
They also called for studies to determine the physical reasons why such changes might occur.
About the National Institutes of Health (NIH): NIH, the nation's medical research agency, includes 27 Institutes and Centers and is a component of the U.S. Department of Health and Human Services.
NIH is the primary federal agency conducting and supporting basic, clinical, and translational medical research, and is investigating the causes, treatments, and cures for both common and rare diseases.
For more information about NIH and its programs, visit www.nih.gov."

14 posted on 09/27/2022 2:23:04 PM PDT by Tilted Irish Kilt
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