Vaginal Microbiota of Healthy Pregnant Mexican Women is Constituted by Four Lactobacillus Species and Several Vaginosis-Associated Bacteria

Table 1

Pregnant women and infant-birth characteristics in each trimester of study.

	First trimester (𝑛=16)	Second trimester (𝑛=25)	Third trimester (𝑛=23)
Maternal Age (y)*	28.8±6.0	27.4±8.2	26.7±5.3
	(28; 15–37)	(28; 13–43)	(27; 17–37)
Obstetric history **
Gravity	2 (1–5)	2 (1–5)	2 (1–5)
Vaginal delivery	1 (0–5)	0 (0–3)	0 (0-1)
Infant/birth characteristics *
Gestational age at delivery (wk)	37.9±1.4	38.2±2.5	38.9±1.5
	(38; 37–40)	(38; 37–41)	(39; 37–42)
Infant weigh outcome at delivery (g)	3033±393	2974±656	3132±355
	(2955; 2520–3960)	(3110; 2580–3900)	(3130; 2520–3800)
Weeks at vaginal ^*,+swab collected	10.1±1.3	18.5±2.8	32.8±4.2
	(10; 7–12)	(18; 13–24)	(33; 27–41)

*Data are given in mean ± SD with median and ranges in parenthesis. **Data are given in median with ranges in parenthesis. ⁺ 𝑃<0.05; data compared with Kuskal-Wallis one-way ANOVA.