NIH Study Shows COVID Injection Affects Menstrual Cycle

Women around the world have reported changes in their menstrual cycles following COVID-19 injections. Changes include heavier and more painful periods1 and changes in menstrual duration, as well as unexpected breakthrough bleeding or spotting in women using long-acting contraception or in women who are postmenopausal and have not had a period for years or even decades.2

Health officials have tried to ignore the reports, but a study published in Obstetrics & Gynecology — and funded by the National Institute of Child Health and Human Development (NICHD) and the National Institutes of Health’s (NIH) Office of Research on Women’s Health — confirms a relationship between menstrual cycle length and COVID-19 shots

Tens of thousands report menstrual changes after admission

Clinical studies of COVID-19 injections did not collect data on post-injection menstrual cycles. Furthermore, the Vaccine Adverse Event Reporting System (VAERS) does not actively collect information about the menstrual cycle. Nevertheless, by May 2021, a remarkable number of people (less than 200) had reported menstrual-related problems after COVID-19 injections.4

Anecdotal posts on social media, meanwhile, abound and, according to the study, “suggest that menstrual disorders are much more common…”5

For example, Kate Clancy, a human reproductive ecologist and associate professor of anthropology at the University of Illinois Urbana-Champaign, and Katharine Lee, a biological anthropologist who studies women’s health at Washington University School of Medicine in St. Louis, who were not involved. the featured study has more than 140,000 reports of those who have experienced changes in their periods after COVID-19 injections, formally documenting them in an open-ended study.6

A further 30,000 reports of menstrual changes after the injections have been reported to the UK regulator.7 The implication is that the injections could have an effect on fertility. As the Obstetrics & Gynecology researchers noted, “Menstrual cyclicity is a clear sign of health and fertility.”8

Gunnveig Grødeland, a Norwegian vaccine researcher associated with the University of Oslo and the University Hospital of Oslo, also told TV2.no: “There are enough women who are experiencing changes, not only in Norway, but also abroad, to probably understand it. make it linked to the vaccine.”9,10

The Norwegian Institute of Public Health (NIPH) is studying menstrual bleeding in 60,000 Norwegian women aged 11 to 80 to investigate whether irregularities are related to COVID-19 injections.

COVID-19 shots can alter menstrual cycle length

The Obstetrics & Gynecology study included 3,959 individuals aged 18 to 45 years. Those who had not received a COVID-19 injection did not notice any significant changes in their fourth cycle compared to their first three cycles during the study.

However, those who received COVID-19 injections had longer menstrual cycles, usually less than a day, when they got the shots. The longer cycles were observed for both doses of the injection, with an increase of 0.71 days after the first dose and an increase of 0.91 days after the second dose.11

Although the researchers described the change as not clinically significant, meaning it’s not remarkable from a health point of view, there were some women who experienced even greater menstrual changes, especially those who received two injections in the same menstrual cycle.

These changes include a two day increase in cycle length and, in some cases, changes in cycle length of eight days or more. Despite this, the researchers largely brushed aside the findings because cycle lengths seemed to return to normal within two cycles of admission:12

“A subgroup of subjects who received both vaccine doses in a single cycle had, on average, an adjusted 2-day extension of their vaccination cycle duration compared to unvaccinated subjects. Although approximately 10% of these individuals experienced a clinically notable change in cycle length of 8 days or more, this change rapidly diminished within two post-vaccination cycles.”

Why do COVID-19 shots affect the menstrual cycle?

The study only evaluated the length of the menstrual cycle, meaning more research is needed to determine how the shots affect other aspects of menstruation, such as symptoms such as pain and mood swings and features of bleeding, such as heavy flow.

As for how they lead to changes, the timing of the menstrual cycle, which is controlled by the hypothalamic-pituitary-ovarian axis, is known to be influenced by environmental and health stressors.

However, the menstrual cycle changes observed in the study were not due to typical stress, as the non-injected group had no such changes during the study. Instead, it’s possible that the immune response created by the mRNA shots affected the hypothalamic-pituitary-ovarian axis. According to the study:13

“Our findings for individuals who received two doses in a single cycle support this hypothesis. Given the dosing schedule of the mRNA COVID-19 vaccines in the United States (21 days for Pfizer and 28 days for Moderna), a person receiving two doses in a single cycle, have received the first dose in the early follicular phase.

Cycle length variability results from events leading to the recruitment and maturation of the dominant follicle during the follicular phase, processes known to be affected by stress.”

Similarly, Victoria Male, a lecturer in reproductive immunology at Imperial College London, stated in an editorial published in The BMJ that when it comes to menstrual changes after COVID-19 injections, “A link is plausible and should be investigated.”14 According to to Male:15

“Menstrual changes have been reported following both mRNA- and adenovirus-vectored covid-19 vaccines, suggesting that, if there is an association, it is likely due to the immune response to vaccination rather than a specific vaccine ingredient. Vaccination against the human papillomavirus (HPV) has also been linked to menstrual changes.

… Biologically plausible mechanisms linking immune stimulation to menstrual changes include immunological influences on the hormones that control the menstrual cycle or effects mediated by immune cells in the endometrium, which are involved in the cyclic construction and breakdown of this tissue. Investigating a possible link between Covid-19 vaccines and menstrual changes may also help understand the mechanism.”

Miscarriage and Fertility Problems

Women who are pregnant or of childbearing age are urged to receive a COVID-19 shot, although data does not support its safety.

Pregnant women were excluded from the clinical trials of mRNA injection, but a Pfizer-BioNTech study in rats revealed that the injection more than doubled the incidence of pre-implantation loss and also led to a low incidence of mouth/jaw malformations, gastroschisis ( a birth defect of the abdominal wall) and abnormalities in the right aortic arch and cervical vertebrae in the fetuses.16

Pfizer’s biodistribution study, which was used to determine where the injected substances end up in the body, also showed that the COVID spike protein from the injections accumulated in “fairly high concentrations” in the ovaries.17

A Japanese biodistribution study for Pfizer’s shot also found that vaccine particles travel from the injection site to the blood, whereupon circulating spike proteins can travel freely throughout the body, including to the ovaries, liver, neurological tissues and other organs.18

Global fertility rates are already declining, reaching 2.4 births per woman in 2018, up from 5.06 in 1964. Fertility rates in about 50% of countries worldwide are at 2.1, which is below the population replacement rate, reported The Guardian.19 If further stressors are introduced, it could be catastrophic.

A CDC-sponsored study widely used in support of the U.S. recommendation for pregnant women to be injected “falsely provides reassuring statistics regarding the risk of spontaneous abortion in early pregnancy,” according to the Institute for Pure and Applied Knowledge (IPAK). 20

When the risk of miscarriage was recalculated to include all women injected before 20 weeks of gestation, the incidence was seven to eight times higher than the original study indicated, with a cumulative miscarriage incidence ranging from 82% up to 91%.

IPAK calls for the withdrawal of shots

Not only does IPAK’s data show that COVID-19 injections before 20 weeks are unsafe for pregnant women, but 12.6% of women who received it in the 3rd trimester reported Grade 3 side effects, which were serious or medically significant. are, but not immediately life-threatening. Another 8% also reported a fever of 38 degrees C (100.4 degrees F), which can lead to miscarriage or premature birth.21

Furthermore, the study’s follow-up lasted only 28 days after birth, meaning the long-term effects of prenatal exposure to babies are unknown. The many concerns of mRNA COVID-19 injections during pregnancy and lactation include inhibition of synctyin-1, a protein essential for cell fusion and placental development,22 and transfer of mRNA and spike protein across the placenta and through breast milk. IPAK explained:23

“The transfer of mRNA and spike protein across the placenta and through breast milk is of concern given the unknown effect on development in utero or on a nursing infant.

No mRNA spike-coding region amplifications were detected in aqueous or liquid breast milk fractions 0-7 days post-vaccination in a study…in 15 pregnant and five breast-feeding women who received one Pfizer-BioNTech (BNT162B2) mRNA vaccination.

However, the presence of spike protein itself was not tested. The authors of this study urge caution given the small sample size and study duration of only one week after exposure.

In contrast to this study, voluntary reporting systems such as VAERS have received numerous reports of thrombotic thrombocytopenic purpura (TTP), gastrointestinal distress, rash, anaphylactic reaction, and death… following exposure to breast milk from a recently vaccinated mother.”

The Obstetrics & Gynecology study adds further data that the injections affect aspects of fertility and reproduction by influencing the length of the menstrual cycle. IPAK believes the data is compelling enough to withdraw admissions for vulnerable populations, noting:

“Given the evidence presented here, we propose the immediate cessation of mRNA vaccine use during pregnancy (category X) and those who are breast-feeding, in addition to the cessation of mRNA vaccines for children or those of childbearing potential in the general population, until more conclusive data regarding safety and long-term effects on fertility, pregnancy and reproduction are established in these groups.”



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