There were no increases in preterm labour or negative effects on newborns, including congenital abnormalities. In 827 pregnant women who had completed pregnancies and received one or two doses of mRNA vaccines (Pfizer or Moderna), the study reports no increased rates of miscarriage and still births, compared to pre-COVID background rates.
#Preliminary findings mrna pregnant update#
“The update reveals women in the US are choosing to have vaccines across the gestational period. Analysis is then made against pre-COVID population rates for pregnancy and neonatal outcomes. This is an actively enrolling CDC smartphone app, which asks users to voluntarily undertake online surveys and telephone interviews to assess for side effects. This study gives us a coarse but welcome update from the US based V-safe Surveillance System and Pregnancy Registry. Pregnant women were however, actively excluded from the large phase 3 clinical trials.
Many countries have prioritised pregnant women for vaccination but this is on the basis of developmental and reproductive toxicology studies conducted in animals and a positive risk benefit profile in women of child-bearing age.
Treatments and prophylactic measures are therefore very much warranted. “Pregnant women with COVID-19 have a 76% increased risk of preeclampsia and soberingly, maternal deaths associated with COVID-19 have been noted to be 22 times higher than those in non-infected pregnant women. “The COVID-19 pandemic has disproportionately affected pregnant women and their infants. Expert reaction to a study looking at mRNA Covid-19 vaccine safety in pregnant womenĪ study published in the New England Journal of Medicine (NEJM) looks at mRNA Covid-19 Vaccine Safety in Pregnancy.ĭr Allyah Abbas-Hanif, Member of the Paediatrics and Pregnancy Expert Group of the Faculty of Pharmaceutical Medicine, said:
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