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  • Title: [Risk factors and screening strategy for group B streptococcal colonization in pregnant women: results of a prospective study].
    Author: Jauréguy F, Carton M, Teboul J, Butel MJ, Panel P, Ghnassia JC, Doucet-Populaire F.
    Journal: J Gynecol Obstet Biol Reprod (Paris); 2003 Apr; 32(2):132-8. PubMed ID: 12717304.
    Abstract:
    OBJECTIVES: Group B Streptococcus (GBS) continues to be the most important bacterial cause of sepsis, meningitidis in newborns. American consensus guidelines have been published. They recommended the use of either risk-based strategy or screening-based approach for GBS colonization in pregnant women to identify candidates for intrapartum prophylaxis. Screening consists of obtaining vaginal and anorectal specimens for culture at 35 to 37 weeks' gestation. The aim of this prospective study was to assess the usefulness of systematic and concomitant GBS screening by rectal and vaginal swab in pregnant women. A questionnaire designed to determine the risk factors for colonization by GBS was completed. MATERIALS AND METHODS: We have screened 370 pregnant women with rectal and vaginal swab. RESULTS: Fifty seven (15.4%) women had positive GBS cultures. Of those women, the rectum and the vagina were the only site of colonization in 16 (4.3%) and 8 (2.2%) women respectively. None of the factors studied was significantly associated with GBS colonization. CONCLUSION: Detection of GBS is enhanced by 40% by using vaginal and anorectal swabs compared to a vaginal swab alone. No studied factor appeared to predict GBS colonization, which incited us to screen all pregnant women.
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