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Iranian Journal of Reproductive Medicine
Research and Clinical Center for Infertility, Shahid Sadoughi University of Medical Sciences of Yazd
ISSN: 1680-6433
EISSN: 2008-2177
Vol. 5, No. 4, 2007, pp. 191-194
Bioline Code: rm07037
Full paper language: English
Document type: Short Communication
Document available free of charge

Iranian Journal of Reproductive Medicine, Vol. 5, No. 4, 2007, pp. 191-194

 en The association of preterm labor with vaginal colonization of group B streptococci
Aali, Bibi Shahnaz; Abdollahi, Hamid; Nakhaee, Nouzar; Davazdahemami, Zohreh & Mehdizadeh, Anahita

Abstract

Background: Group B streptococcus is regarded as a potential factor for adverse outcomes of pregnancy such as preterm birth.
Objective: To study the association of maternal vaginal colonization with group B streptococcus (GBS) and preterm labor.
Materials and Methods: From April 2005 to May 2006, vaginal culture for GBS were conducted in 101 laboring women with a gestational age of 24-37 weeks and 105 women admitted for term delivery at maternity center of Afzalipour Hospital in Kerman, Iran. Student's t test and Chi square test were used to compare continuous and categorical data between the groups. Using multivariate logistic regression the association between GBS colonization and preterm labor was analyzed. P-values<0.05 were considered as significant.
Results: Colonization was detected in 9.2% of all mothers. Although GBS colonization was found more frequently in preterm than term patients (12 v/s 7 cases), the difference was not statistically significant. However, GBS positivity was roughly associated with preterm labor. Age was also a risk factor for GBS colonization. No case of perinatal sepsis occurred during the study period.
Conclusion: Maternal colonization for GBS is relatively low in our center. Increasing age enhances the risk of colonization. Vaginal colonization of GBS is relatively associated with preterm labor.

Keywords
Group B streptococcus, Preterm labor, Vaginal colonization.

 
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Alternative site location: http://www.ijrm.ir

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