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. Author manuscript; available in PMC: 2022 May 23.
Published in final edited form as: Am J Obstet Gynecol. 2020 Jul;223(1):114.e1–114.e20. doi: 10.1016/j.ajog.2020.01.043

Table 2.

Bacterial species identified in the amniotic fluid obtained during the initial amniocentesis from patients with preterm prelabor rupture of the membranes.

Intra-amniotic infection (n=55) Microbial invasion of the amniotic cavity without intra-amniotic inflammation (n=24)
Delivery ≤7 days after admission (n=46) Delivery > 7 days after admission without a follow-up amniocentesis (n=2) Delivery > 7 days after admission with a follow-up amniocentesis (n=7) Delivery ≤7 days after admission (n=21) Delivery > 7 days after admission without a follow-up amniocentesis (n=3) Delivery > 7 days after admission with a follow-up amniocentesis (n=0)
Ureaplasma species 21x Ureaplasma species 1x Ureaplasma species 6x Ureaplasma species 14x Ureaplasma species 2x
Ureaplasma species +
Chlamydia trachomatis 5x
Ureaplasma species +
Chlamydia trachomatis 1x
Anaerococcus tetradius 1x Mycoplasma hominis 2x Lactobacillus iners 1x
Haemophilus influenzae 4x Chlamydia trachomatis 1x
Fusobacterium nucleatum 2x Haemophilus influenzae 1x
Streptococcus agalactiae 2x Gardnerella vaginalis 1x
Streptococcus anginosus 2x Ureaplasma species + Chlamydia trachomatis 1x
Streptococcus pneumonia 2x Ureaplasma species + Leptotrichia amnionii 1x
Chlamydia trachomatis 1x
Parvominas micra 1x
Peptoniphilus species 1x
Sneathia sanguinegens 1x
Streptococcus intermedius 1x
Leptotrichia amnionii + Chlamydia trachomatis 1x
Ureaplasma species + Sneathia sanguinegens 1x
Ureaplasma species + Veilonella species 1x