Peer-reviewed study finds increased risk of spontaneous abortion after COVID-19 vaccination during pregnancy

Peer-reviewed study finds increased risk of spontaneous abortion after COVID-19 vaccination during pregnancy


Frontnieuws and Robert Gorter, MD, PhD.

November 3rd, 2021


In a new peer-reviewed Rapid Communication, published in Science, Public Health Policy & the Law, scientists from the Department of Epidemiology and Biostatistics at the University of Auckland’s School of Population Health report that the US CDC has made a serious mistake in its own report on whether COVID-19 vaccination leads to spontaneous abortions when used during pregnancy, writes James Lyons-Weiler.

Drs. Simon Thornley and Aleisha Brock report:

“…the influential CDC-sponsored paper by Shimabukuro et al. (2021) used to support this idea offers little certainty on closer inspection, especially for those exposed in early pregnancy. The study falsely presents reassuring statistics regarding the risk of spontaneous abortion in early pregnancy, as the majority of women in the calculation were exposed to the mRNA product after the outcome period was established (20 weeks of gestation).”

The authors then conduct their own re-evaluation and estimate that unexpected pregnancy terminations were in fact 7-8 times more common in vaccinated pregnant women than the baseline rate over the same time period.

The report, which was peer-reviewed using a blinded review process where the authors were unaware of the reviewers’ identities, is one of a growing number of reports and studies by academic researchers who believe the studies and reports of official sources are flawed, fraudulent, or full of unacceptable (or even purpose?) errors.

The article includes a note from SciPub Editor-in-Chief Dr. James Lyons-Weiler reminding the reader that Dr. Shimabukuro, the author of the flawed report, also found no sign of myocarditis in his analysis of data from another system (the Vaccine Safety Database) in a report to the HHS Advisory Committee on Immunization Practices and in his report to the Vaccines and Related Biological Products Advisory Committee (VRBPAC). Myocarditis is a medical condition now known to the FDA as a risk that must be communicated to people receiving COVID-19 vaccinations (but it is rarely done).

US data: 6 times higher risk developing severe to fatal myocarditis for vaccinated under 18 than unvaccinated

Science, Public Health Policy & the Law is an official publication of the Institute for Pure and Applied Knowledge, Public Health Policy Initiative (IPAK PHPI) that publishes peer-reviewed studies, reports, and analyses on the mismatch between science, public health, medical practice, and the law (politics).

The same journal published a review criticizing the CDC’s COVID-19 reporting practices, which are now known to be upwardly biased due to a number of key factors, including an unacceptably high rate of false positives when using PCR tests to diagnose COVID-19 and determine the cause of death in individuals who may or may not have SARS-CoV-2 infection. She also recently published an analysis of the CDC’s vaccine adverse events reporting system (VAERS) which found that more deaths were reported in the months following the start of the COVID-19 vaccination program than in all the years VAERS collected data, for all vaccines combined.

Citation: Brock, AR, S Thornley. 2021. Spontaneous Abortions and Policies on COVID-19 mRNA Vaccine Use During Pregnancy (Rapid Communication, Clinical and Translational Research) Science, Public Health Policy & the Law 4:130-143.


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