COVID-19 vaccine appears safe in first-trimester pregnancyCOVID-19 vaccination does not increase the risk of miscarriage during the first trimester of pregnancy, according to a Norwegian case-control study that involved 13,956 women, 5.5% of whom were vaccinated against the virus.
The results were published yesterday as a letter to the editor in the New England Journal of Medicine.The study consisted of 13,956 pregnant women, 5.5% of whom were vaccinated.
In total, 4,521 women had miscarriages, and 5.1% of those were vaccinated. A median of 19 days occurred between vaccination and either miscarriage or confirmation of ongoing pregnancy. (In Norway, pregnant women are not recommended to receive any vaccinations during their first trimester,