Is asymptomatic bacteriuria associated with short cervical length in women with a singleton pregnancy, a secondary analysis of two national cohort studies with small embedded randomized controlled trials

Fiona N. Koningstein*, Caroline Schneeberger, A. Jeanine van der Ven, Melanie A. van Os, Eva Pajkrt, Christianne J.M. de Groot, Ben Willem J. Mol, Susanne E. Geerlings, Brenda M. Kazemier

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

Objective: To assess the association between asymptomatic bacteriuria (ASB) and short cervical length (CL), since they are both associated with preterm delivery. Study design: In two prospective multicentre cohort studies, pregnant women were screened for the presence of ASB and short CL (≤25 mm). We compared CL in women with and without ASB. Both studies had a small randomised clinical trial embedded. Results: Our study population comprised 1 610 women, of whom 114 were ASB positive. Median cervical length was similar in women with and without ASB (44.0 vs 44.0 mm, P = 0.60). More women in the ASB positive group had a short CL compared to the ASB negative group (1.8 % versus 0.4 %, P = 0.047)). The gestational age at delivery did not differ between the groups (ranging from 38 + 3 in women with ASB and short CL to 39 + 5 in women without ASB with a short CL P = 0.52). No preterm births occurred in women with a short cervical length (regardless of ASB status). In the women without ASB and no short CL 4.8 % had a preterm birth, in the women with ASB but not a short CL 4.1 % had a preterm birth. Conclusion: While ASB status did not influence median cervical length, we found a significant relationship between a short CL and ASB positive women. We found no statistical significant difference on the preterm birth rate and mean gestational age.

Original languageEnglish
Pages (from-to)172-176
Number of pages5
JournalEuropean Journal of Obstetrics and Gynecology and Reproductive Biology
Volume248
Early online date12 Mar 2020
DOIs
Publication statusPublished - May 2020

Keywords

  • ASB
  • Asymptomatic bacteriuria
  • Cervical length
  • Pregnancy
  • Prenatal care
  • URINARY-TRACT-INFECTIONS
  • PRETERM BIRTH
  • RISK
  • TRENDS
  • DELIVERY

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