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Effects of Covid-19 Vaccination in Pregnancy - Cord Blood

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Effects of Covid-19 Vaccination in Pregnancy

Microscope image of coronavirus

COVID-19 vaccination has been shown to have a positive impact on maternal and fetal health outcomes, according to a recent study. This new study, a retrospective multicentre cohort study, looked at the effects of COVID-19 vaccination on outcomes for people who gave birth across seven western US states. Here are the key findings:

  1. Vaccinated people had lower rates of COVID-19 during pregnancy compared to unvaccinated people. The rate of COVID-19 was 4% among vaccinated individuals, compared to 5.3% among unvaccinated individuals.
  2. Boosted individuals, who received three or more doses of the COVID-19 vaccine, had even lower rates of COVID-19 during pregnancy. The rate was 3.2% among boosted individuals, compared to 5.6% among those who were vaccinated but not boosted.
  3. Vaccinated individuals were less likely to experience adverse outcomes such as preterm birth, stillbirth, or having a very low birthweight baby, compared to unvaccinated individuals.
  4. Boosted individuals had a lower rate of stillbirth compared to those who were vaccinated but not boosted. There were no significant differences in rates of preterm birth or very low birthweight babies between boosted and unboosted individuals.

These findings suggest that COVID-19 vaccination can protect pregnant people and their babies from adverse outcomes. It is important for pregnant people to prioritize vaccination and keep up with their vaccination schedule.

The study was funded by the National Institute for Child Health & Human Development and the William O and K Carole Ellison Foundation. The results add to the growing body of evidence supporting the safety and efficacy of COVID-19 vaccination during pregnancy.

Previous studies have also shown that COVID-19 vaccination in pregnant people can reduce the risk of severe complications from COVID-19 and can lead to the transfer of vaccine antibodies to the fetus. Infants born to vaccinated mothers have a reduced risk of hospitalization related to COVID-19 in the first six months of life.

There is no evidence suggesting that COVID-19 vaccination or booster shots during pregnancy increase the risk of preterm birth, small-for-gestational-age babies, or spontaneous abortion.

Overall, the findings from this study support the recommendation for pregnant people to get vaccinated against COVID-19. Vaccination not only protects the pregnant individual but also their unborn baby. Pregnant individuals should consult with their healthcare providers to make informed decisions about vaccination.