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Vaginorectal Streptococcus porcinus in Pregnancy: An Emerging Pathogen?

Pereira, Nigel MD; Powell, Anna M. MD; Nyirjesy, Paul MD; Plante, Lauren A. MD, MPH

Journal of Lower Genital Tract Disease: October 2013 - Volume 17 - Issue 4 - p e18–e21
doi: 10.1097/LGT.0b013e318280407c
CASE REPORTS
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Objective Streptococcus porcinus has previously been isolated from the genitourinary tract of reproductive-aged women. However, very little is known about the pathogenicity of this microorganism in pregnancy. The study aimed to report pregnancies complicated by vaginorectal S. porcinus and associated adverse outcomes.

Materials and Methods We present 2 patients with 3 pregnancies complicated by vaginorectal S. porcinus and preterm cervical change.

Results The first patient lost a twin pregnancy to previable preterm rupture of membranes. During her subsequent pregnancy, again positive for S. porcinus, cervical shortening prompted antibiotic treatment and cerclage. The second patient delivered preterm despite cerclage placed for sonographic indications.

Conclusions Our cases suggest that S. porcinus may contribute to the pathogenesis of preterm rupture of membranes and cervical insufficiency.

Streptococcus porcinus may be a cause of preterm rupture of membranes and cervical insufficiency.

Department of Obstetrics and Gynecology, Drexel University College of Medicine, Philadelphia, PA

Reprint requests to: Nigel Pereira, MD, Department of Obstetrics and Gynecology, 245 N. 15th St, MS 495, 16th Floor, New College Bldg, Philadelphia, PA 19102. E-mail: Nigel.Pereira@drexelmed.edu

The authors have declared they have no conflicts of interest.

Copyright © 2013 by the American Society for Colposcopy and Cervical Pathology