Study: COVID-19 Vaccines Associated with Early Pregnancy Loss

A pre-print Israeli study by J. Guetzkow et al titled “Observed-to-Expected Fetal Losses Following mRNA COVID-19 Vaccination in Early Pregnancy” posted on 20 June 2025 has found “higher-than-expected fetal loss rate associated with mRNA COVID-19 vaccine doses received during early pregnancy (gestational weeks 8-13)”.

The paper is 46 pages long, with the main text at about 21 pages. The remaining pages are references, tables and figures.

The study sample included over 226,000 records in total from 1 March 2016 to 28 February 2022. The analysis split the overall period into three periods to provide control and validation for the COVID-19 vaccination period.

Generally, women who received COVID-19 “vaccines” before pregnancy had similar observed and expected numbers of fetal losses to those who received influenza vaccines before pregnancy, and the observed numbers of both groups “were according-to-expected or slightly lower-than-expected”.

However, women who received COVID-19 vaccines during weeks 8–13 had higher-than-expected numbers of observed fetal losses throughout pregnancy.

The observed-to-expected differences were 3.85 (95% CI: [2.55-5.14]) for dose 1, and 1.9 (95% CI: 0.39-3.42]) for dose 3, i.e., an additional 3.85 and 1.9 observed fetal losses above expected per 100 pregnancies, respectively.

For those who received the COVID-19 vaccines during weeks 14–27, the observed numbers of fetal losses were slightly lower-than-expected. Those who received influenza vaccines had markedly lower observed numbers.

Table 1: Observed-to-Expected Eventual Fetal Losses among Women Vaccinated for COVID-19 or Influenza in Gestational Weeks 8–13 and 14–27.

Figure 2: Observed-to-Expected Eventual Fetal Losses by Gestational Week of Vaccination among Women Vaccinated for COVID-19 or Influenza.

Interestingly, for COVID-19 infections at weeks 8–13 and weeks 14–27, the observed numbers of fetal losses were slightly lower-than-expected except for vaccinated women at weeks 8–13. All figures were within the 95% CI.

The general trend for the vaccinated is that the eventual loss occurred earlier at, for example, week 14 than week 20 and week 25.

Although it may be due to healthy vaccinee bias, the obviously lower observed numbers for influenza vaccinees suggest that there is something wrong with the COVID-19 mRNA “vaccines”.

Confounding covariates cannot be ruled out, but this would have to be a condition(s) that only impacts women who received COVID-19 vaccines and not the influenza vaccines during weeks 8–13. Must be a unique condition.

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