The Pfizer/BioNTech and Moderna Covid-19 vaccines are effective in pregnant and lactating women, who can pass protective antibodies to newborns, according to research published Thursday in the American Journal of Obstetrics and Gynecology. … The vaccine-induced antibody levels were equivalent in pregnant and lactating women, compared to non-pregnant women. The antibody levels were "strikingly higher" than those resulting from coronavirus infection during pregnancy, the team noted. … In addition, the team found that women passed protective antibodies to their newborns, measured in breast milk and the placenta