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Fetal Diagn Ther. 2007;22(2):90-3. Epub 2006 Nov 27.

Antibiotic treatment of intra-amniotic infection with Ureaplasma urealyticum. A case report and literature review.

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  • 1Department of Obstetrics and Gynecology, Assaf Harofeh Medical Center, Zerifin, Israel.



Ureaplasma urealyticum is the most common pathogen cultured from the amniotic cavity of women with preterm labor and intact membranes. However, experience with antibiotic eradication of the pathogen in this setting is limited.


We report a case of U. urealyticum isolation from the amniotic cavity of a woman with preterm labor at 27 weeks gestation. The patient was treated with erythromycin base for 1 week, followed by fluoroquinolones and clindamycin for 10 days. A healthy neonate was delivered after spontaneous labor began at 33 weeks. The cultures obtained from the placenta and membranes were sterile, but the histopathology of the placenta revealed acute chorioamnionitis with acute funisitis.


We suggest that intra-amniotic colonization with Mycoplasma spp. remote from term may be managed expectantly, and that therapy with fluoroquinolones and/or clindamycin may be an appropriate choice.

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