COVID-19 vaccination during pregnancy does not increase complications
around the time of childbirth, study finds
Study of Ontario pregnancies provides further evidence on safety of mRNA vaccines during pregnancy
Date:
March 28, 2022
Source:
University of Ottawa
Summary:
Researchers have found that receiving a COVID-19 vaccine
during pregnancy does not lead to increases in the frequency of
complications around the time of childbirth. The findings provide
further assurances about the safety of mRNA vaccines for this
particularly unique population.
FULL STORY ========================================================================== Researchers have found that receiving a COVID-19 vaccine during pregnancy
does not lead to increases in the frequency of complications around
the time of childbirth. The findings, which are published in JAMA,
provide further assurances about the safety of mRNA vaccines for this particularly unique population.
==========================================================================
Lead author Dr. Deshayne Fell led the study of nearly 100,000 pregnancies
by analyzing data from BORN Ontario (Ontario's provincial birth registry), which is linked to the province's COVID-19 immunization database.
While analyzing childbirths between December 2020 and September 2021,
Dr. Fell found:
* Approximately 23 percent (over 22,000 individuals) received at
least one
dose of a COVID-19 vaccine during pregnancy.
* No increase in the babies' need for neonatal intensive care unit
(NICU)
admission.
* No frequency of low Apgar scores (an assessment at birth that can
identify babies who may need special care, such as extra help with
their breathing) in babies born to vaccinated mothers, compared
to babies born to unvaccinated mothers.
* Vaccination was not associated with increased risk of:
o heavy bleeding after childbirth; o infection in the uterus
or membrane; o emergency caesarean section among the vaccinated
mothers, compared
to unvaccinated mothers.
"There is increasing evidence from studies around the world showing
that COVID- 19 vaccination during pregnancy is not associated with
poor pregnancy or birth outcomes, and showing that COVID-19 vaccines
are effective at preventing COVID- 19 in pregnant mothers and also
in their babies in the first few months of life." says Dr. Fell, an
Associate Professor in the University of Ottawa's Faculty of Medicine
and a Scientist at the CHEO Research Institute.
Vaccination against COVID-19 is recommended for pregnant individuals since
they are at a higher risk of complications from the disease, including hospitalization, ICU admission and death, compared with nonpregnant individuals. COVID-19 during pregnancy has also been linked with increased risks of pregnancy complications such as preterm birth of the babies.
========================================================================== Story Source: Materials provided by University_of_Ottawa. Original written
by Paul Logothetis. Note: Content may be edited for style and length.
========================================================================== Journal Reference:
1. Deshayne B. Fell, Tavleen Dhinsa, Gillian D. Alton, Eszter To"ro"k,
Sheryll Dimanlig-Cruz, Annette K. Regan, Ann E. Sprague, Sarah
A. Buchan, Jeffrey C. Kwong, Sarah E. Wilson, Siri E. Haaberg,
Christopher A.
Gravel, Kumanan Wilson, Darine El-Chaa^r, Mark C. Walker, Jon
Barrett, Shannon E. MacDonald, Nannette Okun, Prakesh S. Shah,
Shelley D. Dougan, Sandra Dunn, Lise Bisnaire. Association
of COVID-19 Vaccination in Pregnancy With Adverse Peripartum
Outcomes. JAMA, 2022; DOI: 10.1001/ jama.2022.4255 ==========================================================================
Link to news story:
https://www.sciencedaily.com/releases/2022/03/220328112701.htm
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