COVID-19 vax timing in pregnancy crucial to optimal immune response: study
Placental transfer of SARS-CoV-2 antibodies was most efficient in first trimester, US researchers say
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Women vaccinated against COVID-19 in their first and third trimesters have a stronger immune response than those vaccinated in their second trimester, new research shows.
Placental transfer of SARS-CoV-2 antibodies to the fetus also appears to be more robust following first and second trimester vaccination, according to US clinicians.