Table 1.

Alterations of maternal gut microbiota in gestational diseases.

	Gestational Diabetes	Pre-Eclampsia	Pre Term Birth	Birth Complications
Increased	Genus Blautia Rothia Bilophila Eubacterium Phascolarctobacterium Fusobacterium Species Roseburia Subdoligranulum	Phylum Bacteroidetes Genus Fusobacterium Veillonella Blautia Ruminococcus Bilophila	Genus Ureaplasma Species Fusobacterium nucleatum Gemella asaccharolytica	Genus Mycoplasmataceae ^ Leptotrichiaceae ^ Veillonaceae ^ Species Sneathia sanguinegens # Prevotella copri # Lachnospiraceae spp # Phascolarctobacterium succinatutens #
Reduced	Genus Bacteroides Parabacteroides Acinetobacter * Fecalibacterium Prevotella	Phylum Firmicutes Genus Faecalibacterium Akkermansia Methanobrevibacter

* Controversial data in literature, see text for details. ^ Associated with increased risk of choriamnionitis. # Associated with increased risk of small newborn size.