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Int J Antimicrob Agents. 2001 Sep;18(3):259-62.

Birth outcome following maternal use of fluoroquinolones.

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Department of Clinical Epidemiology, Aalborg Hospital, Section North, 10 Stengade, app. 13-15, Box 561, DK-9100 Aalborg, Denmark.


The aim of the study was to examine fetal risk associated with intrauterine exposure to fluoroquinolones. By using on record linkage between a Prescription Database and the Birth Registry in Denmark, the offspring of 57 users of fluoroquinolones and of 17259 patients who had no prescriptive medication during pregnancy, were compared in a cohort study. Among the users, the prevalence rate ratios of congenital abnormalities, preterm birth and low birth weight were 1.30 (95% CI: 0.30-5.30),1.53 (95% CI: 0.62-3.80) and 1.17 (95% CI: 0.15-8.90), respectively. The risk of congenital abnormalities among users of fluoroquinolones during pregnancy was close to unity. Despite these limitations of statistical analysis the study suggested that the use of fluoroquinolones during pregnancy may not be a major risk factor to the foetus.

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