Table 3 Comparison of six serum SCFAs between the pregnant and non-pregnant groups

Total SCFAs (ug/g)

1.97 ± 0.88

2.71 ± 1.10

−2.244

0.031*

Acetate (ug/g)

0.65 ± 0.20

0.86 ± 0.26

−2.609

0.013*

Propionate (ug/g)

0.55 ± 0.23

0.74 ± 0.31

−2.172

0.037*

Isobutyric (ug/g)

0.50 ± 0.55

0.89 ± 0.72

−1.835

0.075

Butyrate (ug/g)

0.11 ± 0.31

0.09 ± 0.33

2.195

0.035*

Isovaleric (ug/g)

0.81 ± 0.39

0.65 ± 0.18

1.486

0.147

Valerate (ug/g)

0.07 ± 0.32

0.06 ± 0.20

0.593

0.557