Vaginal seeding after cesarean birth: Can we build a better infant microbiome?

Jeannie C Kelly1, Lila S Nolan2, Misty Good2

  • 1Department of Obstetrics and Gynecology, Division of Maternal-Fetal Medicine, Washington University School of Medicine, St. Louis, MO 63110, USA.

In this issue of Med, Song et al. compared 174 maternal and 177 infant microbiota after vaginal and cesarean delivery, including 30 vaginally seeded cesarean-born infants. Vaginal seeding partially corrected the microbial divergence observed between cesarean- and vaginal-born infant microbiomes. Infant microbiota resembled corresponding maternal sites, despite delivery mode or seeding.