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. 2021 Mar 26;11:590202. doi: 10.3389/fcimb.2021.590202

Figure 2.

Figure 2

Influence of different factors on early microbiota composition at the phylum level (16S rRNA gene amplicon sequencing) in T2 fecal samples (infants at 6 months of age). Starting from the left: i) and ii) Maternal factors: maternal pre-pregnancy body mass index (BMI) and gestational weight gain (WG), respectively. NW [n.37]: normal pre-pregnancy BMI (BMI < 25 kg/m2), OW [n.12]: excessive pre-pregnancy BMI (BMI ≥ 25 kg/m2); EWG [n.20]: excessive gestational WG, NWG [n.29]: optimal gestational WG). iii) Delivery mode (CS [n.7]: caesarean section, VD [n.46]: vaginal delivery). iv) Feeding (EBF [n.31]: exclusive breast-feeding, NeBF [n.21]: not exclusively breast fed, mixed fed or exclusively formula fed). v) Weaning (≤4 [n.41]: before 4 months of age, >4 [n.9: after 4 months of age). vi) Presence of older siblings (FB [n.30]: first-born, nFB [n.22]: not first-born).