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Acta Obstet Gynecol Scand. 2000 Nov;79(11):973-8.

High-density vaginal Ureaplasma urealyticum colonization as a risk factor for chorioamnionitis and preterm delivery.

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  • 1Institute of Microbiology, Julius-Maximilians-University, Wuerzburg, Germany.

Abstract

BACKGROUND:

The aim of this case control study was to investigate the influence of genital Ureaplasma urealyticum colonization on pregnancy outcome.

METHODS:

One hundred and seventy-two women colonized with Ureaplasma urealyticum without co-existing other infections and 123 women with negative cultures for Ureaplasma urealyticum were enrolled. In a multivariate analysis the influence of quantitative Ureaplasma urealyticum colonization level was determined.

RESULTS:

Compared to the negative women increasing colonization with Ureaplasma urealyticum was associated with a significant decrease of birth weight (p<0.0001) and gestational age (p<0.0001) and with a significant increase of chorioamnionitis (p<0.0001) and preterm delivery (p<0.001). In a multivariate analysis high-density Ureaplasma urealyticum colonization was an independent risk factor for chorioamnionitis and preterm delivery, whereas low colonization levels had no effect on an adverse outcome of pregnancy.

CONCLUSIONS:

The degree of colonization with Ureaplasma urealyticum correlates strongly with an adverse effect on pregnancy outcome.

PMID:
11081683
[PubMed - indexed for MEDLINE]
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