Coronavirus vaccines are not linked to the appearance of congenital malformations detectable on ultrasound, according to a new US scientific study, which confirms similar findings of the US Centers for Disease Control and Prevention (CDC).
The findings now close a gap that was left because pregnant women were excluded from the initial Covid-19 vaccine studies.
The researchers, led by Assistant Professor of Obstetrics and Gynecology Emily Miller of Northwestern University School of Medicine in Chicago, who published the study in the American Pediatric Journal “JAMA Pediatrics”, analyzed data on 3,156 pregnancies .
Of these, 2,622 (83%) had received at least one dose of Covid-19 vaccine and 1,149 (44%) had been vaccinated within the 30 days prior to conception until the 14th week of pregnancy.
Birth defects and abnormalities were sought, such as that the baby’s heart or spine is not properly formed. In the US and other developed countries, 3% to 5% of babies may have such problems, which increases their chances of dying.
The coronavirus vaccine was not found – based on the analysis of the ultrasounds – to increase the likelihood of congenital malformations.
“One of the reasons women are reluctant to get the vaccine when they are pregnant is because they are worried about their babies and do not want to risk it.
“The new study shows that there is really no increased risk of birth defects, thus supporting other findings that this vaccine is safe and beneficial for mom and baby. “said Dr. Rachel Randerman, a gynecology-obstetrics researcher at the same University.
The CDC published similar findings in its study of pregnant women last September. While the CDC had compared data on vaccinated pregnant women with older pre-pandemic history, a new Northwestern study used it as a control group to compare pregnant women who had not been vaccinated against coronavirus during the pandemic or who had been vaccinated but not within the recommended time frame. (From 30 days before conception until the 14th week of pregnancy).
The analysis did not show an increased incidence of congenital anomalies in vaccinated women.
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