Table 2 Comparison of clinical characteristics between mothers with vaginal microbiome dominant with Lactobacillus vs. those with other genera

Number of mothers

29

10

Age at birth, years

36 (32.5–40.0)

34.5 (30.8–38.0)

0.2597

Childbirth history, yes/no

11/18

6/4

0.2819

Assisted reproductive technology, yes/no

14/15

4/6

0.7258

BMI before pregnancy

21.6 (19.9–24.1)

19.9 (19.1–20.9)

0.0476

BMI at birth

23.8 (22.1–26.2)

23.5 (20.8–24.5)

0.1342

Diabetes Mellitus, yes/no

7/22

0/10

0.1584

Hypertension, yes/no

2/27

0/10

1.0000

Constipation before pregnancy, yes/no

5/24

4/6

0.1970

Constipation at birth, yes/no/unknown

12/16/1

4/6/0

1.0000

Yogurt dietary habits before pregnancy^#, yes/no

12/17

4/6

1.0000

Yogurt dietary habits at Week 36^#, yes/no/unknown

18/11/0

3/6/1

0.2493

Natto^$ dietary habits before pregnancy^#, yes/no

5/24

0/10

0.3019

Natto^$ dietary habits at Week 36^#, yes/no/unknown

9/18/0

0/9/1

0.0760

Pregnancy weeks at birth, weeks

39.0 (38.0–40.0)

37.5 (36.8–39.3)

0.0540

Delivery, vaginal/cesarean section

16/13

7/3

0.4798

Child weight at birth, grams

2920 (2768–3173)

2950 (2876–3058)

0.7100

Fetal growth restriction, yes/no

3/26

0/10

0.5558

Premature rupture of membranes, yes/no

6/23

2/8

1.0000

Threatened preterm labor, yes/no

1/28

2/8

0.1559