AUTHOR=Piccinni Marie-Pierre , Robertson Sarah Anne , Saito Shigeru TITLE=Editorial: Adaptive Immunity in Pregnancy JOURNAL=Frontiers in Immunology VOLUME=12 YEAR=2021 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2021.770242 DOI=10.3389/fimmu.2021.770242 ISSN=1664-3224