A 2022 study (aligned with "vaccine" producer interests by authors funding) found "absence of the SARS-CoV-2 Spike protein in the placenta" post-vaccination, concluding mRNA vaccines "do not reach significant concentrations in the placenta."
https://www.modernpathology.org/arti...272-1/fulltext
University of Utah Health (2022) asserted: "COVID-19 vaccines DO NOT cross the placenta."
https://healthcare.utah.edu/healthfe...-and-pregnancy
University of Utah Health received Pfizer grants for educational programs (post-COVID conditions, up to $300K in 2023; COVID-19 educational grants in 2020) and collaborated on vaccine studies (SHIELD-Utah comparing Novavax/Pfizer etc).
University of Chicago Medicine (2023) stated: "Vaccine components or mRNA do not cross the placenta and enter the baby's circulation."
https://www.uchicagomedicine.org/for...-breastfeeding
University of Chicago Medicine received Pfizer funding (2016-2019, via Pfizers independent grants program).
A 2021 Pfizer/Moderna-related study reported "no evidence of mRNA vaccine products in maternal blood, placenta tissue, or cord blood at delivery."
https://pmc.ncbi.nlm.nih.gov/articles/PMC8687466