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Presence of Chlamydia trachomatis DNA in the amniotic fluid in women with preterm prelabor rupture of membranes.

Journal article
Authors Marian Kacerovsky
Roberto Romero
Lenka Pliskova
Radka Bolehovska
Helena Hornychova
Adela Matejkova
Hana Vosmikova
Ctirad Andrys
Martina Kolackova
Piotr Laudański
Vera Pelantova
Bo Jacobsson
Ivana Musilova
Published in The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians
Pages 1-12
ISSN 1476-4954
Publication year 2019
Published at Institute of Clinical Sciences, Department of Obstetrics and Gynecology
Pages 1-12
Language en
Keywords Amniotic fluid, intra-amniotic inflammation, intra-cellular bacteria, preterm delivery
Subject categories Obstetrics and gynaecology


Objective: The primary aim of this study was to assess the rate and load of amniotic fluid Chlamydia trachomatis DNA and their associations with intra-amniotic infection and intra-uterine inflammatory complications in women with preterm prelabor rupture of membranes (PPROM). The secondary aim was to assess the short-term morbidity of newborns from PPROM pregnancies complicated by amniotic fluid C. trachomatis DNA. Methods: A retrospective study of 788 women with singleton pregnancies complicated by PPROM between 24 + 0 and 36 + 6 weeks of gestation was performed. Transabdominal amniocenteses were performed at the time of admission. C. trachomatis DNA in the amniotic fluid was assessed by real-time polymerase chain reaction using a commercial AmpliSens® C. trachomatis/Ureaplasma/Mycoplasma hominis-FRT kit, and the level of Ct DNA was quantified. Results: Amniotic fluid C. trachomatis DNA complicated 2% (16/788) of the PPROM pregnancies and was present in very low loads (median 57 copies DNA/mL). In addition to amniotic fluid C. trachomatis DNA, other bacteria were detected in 62% (10/16) of the C. trachomatis DNA-complicated PPROM pregnancies. Amniotic fluid C. trachomatis DNA was associated with intra-amniotic infection, histologic chorioamnionitis (HCA), and funisitis in 31%, 47%, and 33%, respectively. The presence of C. trachomatis DNA accompanied by Ureaplasma species in the amniotic fluid was associated with a higher rate of HCA than the presence of amniotic fluid C. trachomatis DNA alone. The composite neonatal morbidity in newborns from PPROM pregnancies with amniotic fluid C. trachomatis DNA was 31%. Conclusion: The presence of C. trachomatis DNA in the amniotic fluid is a relatively rare condition in PPROM. Amniotic fluid C. trachomatis DNA in PPROM is not related to intensive intra-amniotic and intr-auterine inflammatory responses or adverse short-term neonatal outcomes.

Page Manager: Webmaster|Last update: 9/11/2012

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