Since the beginning of the covid-19 pandemic, there have been multiple unknowns to be solved about this new disease, one of these has been the process to generate a vaccine, obtaining in 2020 the first vaccines, new doubts arise such as what special considerations pregnant women will have regarding vaccination and if there is the possibility of transferring antibodies from the newborn mother through the placenta, The current scientific evidence reflects that there is the possibility of transferring antibodies against covid-19 in infants whose mothers have been previously vaccinated against this disease, based on studies of serum, breast milk and umbilical cord, with positive findings about the presidency of these antibodies and the possibility of their existence in infants born to these mothers.