Table 2.

Vaginal and intrauterine Ureaplasma spp. detection rates depending on the indication for preterm caesarean section

	Total		Spontaneous preterm birth (group 1)		Medically indicated preterm birth (group 2)
Pregnancies	72		51		21
Vaginal colonization	42 (58.3)		31 (60.1)		11 (52.4)
Intrauterine U.spp. infection (rate-ascending infection)	12 (28.6)		12 (38.7)		0 (0)

Subgroup	<28 wGA	≥28 wGA	<28 wGA	≥28 wGA
Pregnancies	31	41	25	26	21
Vaginal colonization	19 (61.3)	23 (56.1)	17 (68)	14 (53.4)	0 (0)
Intrauterine U.spp. infection (rate-ascending infection)	9 (47.4)	3 (13.1)	9 (52.3)	3 (21.4)	0 (0)

Data are presented as n (%).

U.spp., Ureaplasma species; wGA, weeks of gestational age.