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. 2022 Aug 12;19(16):9961. doi: 10.3390/ijerph19169961

Table 1.

Changes in the intestinal microflora and gestational pathologies.

Complications An Increase A Decrease References
Preeclampsia Prevotella
Porphyromonas
Varibaculum
Lactobacillusdata
[40]
Proteobacteria
Actinobacteria
[17]
Bulleidia Moorei
Clostridium perfringens
Coprococcus catus data
[58]
FGR Enterococcus
Acinetobacter
[66]
Oscillospira
Coprococcus
[67]
Bacteroides
Faecalibacterium
Lachnospira
[68]
GDM Firmicutes Bacteroidetes [89]
Actinobacteria [87]
Klebsiella
Parabacteroides distasonis
Klebsiella variicola
Methanobrevibacter smithii
Alistipes
Bifidobacterium
Eubacterium
Metaniirevibacter
Alistipes
Bifidobacterium
Eubacterium
[76]
Bacteroides
Firmicutes
Ruminococcus
Eubacterium
Prevotella
Akkermansia
Bacteroides
Parabacteroides
Roseburia
Dialister
[78]
Collinsella
Rothia
Desulfovibrio
Actinobacteria
[90]
Overweight, obesity, and excessive weight gain in pregnancy Bacteroides
Firmicutes
[93]
Firmicutes
Fecal cocci
Streptococcus
Actinomycetes
[94]
Verrucomicrobia [76]
Bacteroidetes
Firmicutes
Lactobacillus species
[98]
Lactobacillus reuteri [99,100]
Firmicutes
Bacteroidetes
[101]
Bacteroides
Staphylococcus
[102]
Firmicutes Bacteroidetes
Bifidobacterium
[97]
Parabacteroides [107,108]
Lachnospira [109]
Faecalibacterium prausnitzii [110]
Christensenellaceae [111]
Ruminococcus [101]
Bifidobacterium families [119]
Blautia [115]
Premature birth and cervical insufficiency Clostridium
Bacteroides
[124]
Bifidobacterium
Streptococcus
Clostridiales
[128]

GDM (gestational diabetes mellitus); FGR (fetal growth restriction).