EDITORIAL
Microbiome or no microbiome: are we looking at the prenatal environment through the right lens?
W. Florian Fricke & Jacques Ravel
The prenatal in utero microbiome controversy
LETTER TO THE EDITOR
Batch effects account for the main findings of an in utero human intestinal bacterial colonization study
Marcus C. de Goffau, D. Stephen Charnock-Jones, Gordon C. S. Smith, Julian Parkhill
LETTER TO THE EDITOR – RESPONSE
Corroborating evidence refutes batch effect as explanation for fetal bacteria
Rackaityte E, Halkias J, Fukui EM, Mendoza VF, Hayzelden C, Crawford ED, Fujimura KE, Burt TD, Lynch SV
COMMENTARY
A philosophical perspective on the prenatal in utero microbiome debate
Jens Walter and Mathias W. Hornef
COMMENTARY
Group therapy on in utero colonization: Seeking Common Truths and a way forward
Rachel B. Silverstein and Indira U. Mysorekar
COMMENTARY – INTERVIEW
Lessons learned from the prenatal microbiome controversy
Martin J. Blaser, Suzanne Devkota, Kathy D. McCoy, David A. Relman, Moran Yassour, Vincent B. Young