Table 4. Phylotypes significantly different at the phylum level.

Taxonomy	Control (proportions)	Macrosomia (proportions)	P value
Bacteria_unclassified	53.29%	21.34%	0.003**
Proteobacteria	21.94%	38.63%	0.024*
Firmicutes	4.58%	10.77%	0.039*
Gemmatimonadetes	0.00%	0.61%	0.045*
Bacteroidetes	7.24%	12.85%	0.112
Nitrospirae	0.11%	0.54%	0.196
Deinococcus-Thermus	0.00%	0.04%	0.198
Synergistetes	0.00%	0.28%	0.198
TM6	0.00%	0.24%	0.198
Caldiserica	0.17%	0.00%	0.346
Elusimicrobia	0.18%	0.00%	0.346
Spirochaetae	0.30%	0.00%	0.346
Acidobacteria	1.81%	0.78%	0.359
Hyd24-12	0.00%	0.01%	0.409
Lentisphaerae	0.00%	0.01%	0.409
Microgenomates	0.00%	0.00%	0.409
SHA-109	0.00%	0.12%	0.409
Tenericutes	0.00%	0.02%	0.409
Parcubacteria	0.11%	0.01%	0.477
Cyanobacteria	0.30%	0.77%	0.495
Saccharibacteria	0.15%	0.31%	0.664
Armatimonadetes	0.01%	0.28%	0.746
Chlorobi	0.09%	0.54%	0.839
Verrucomicrobia	0.27%	0.17%	0.858
Actinobacteria	7.33%	8.49%	1.000
Chloroflexi	1.45%	2.60%	1.000
Planctomycetes	0.66%	0.57%	1.000
WCHB1-60	0.00%	0.02%	1.000

Data of macrosomia and control groups were showed as relative abundance (%) of phylum and family in each group. Statistical analysis was performed by the Mann-Whitney U test adjusted for multiple testing. n=10, in each group. *P < 0.05, **P < 0.001 macrosomia vs. control group.