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KMID : 1038520110330010002
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Epidemiology and Health
2011 Volume.33 No. 1 p.2 ~ p.0
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Risk Factors for Group B Streptococcus Colonization Among Pregnant Women in Korea
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Kim Eun-Ju
Oh Kwan-Young
Kim Moon-Young
Seo Yong-Soo
Shin Jung-Hwan
Song Young-Rae
Yang Jae-Hyug
Foxman Betsy
Ki Mo-Ran
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Abstract
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OBJECTIVES: To identify obstetric and maternal factors related to Group B Streptococcus (GBS) colonization in pregnant women in Korea.
METHODS: The study was conducted between the years 2006-2008 in four hospitals, Cheil and Eulji hospital in Seoul, and Motae and Eulji hospital in Daejeon. We recruited 2,644 pregnant women between 35 to 37 weeks of gestation who had visited for antenatal care. Participants completed a questionnaire, and urine, vaginal and rectal specimens were obtained and cultured using selective broth media. After delivery, medical records were reviewed.
RESULTS: GBS colonization was significantly associated with hospital, age group, education, frequency of pregnancy, and premature rupture of membranes (PROM, more than 18 hours). After adjustment for other variables, Cheil hospital (odds ratio [OR], 2.05; 95% confidence interval [CI], 1.20-3.52), and the first pregnancy (OR, 2.32; 95% CI, 1.12-4.81) remained significant. History of vaginitis showed marginal significance (OR, 1.50; 95% CI, 0.98-2.29).
CONCLUSION: To prevent GBS infection of neonates, clinicians should be alert to the potentially higher risk of GBS colonization in pregnant women in their first pregnancy, and women with premature rupture of membranes (PROM) (18 hours+) or who have a history of vaginitis.
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KEYWORD
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Colonization, Pregnant women, Risk factors, Screening, Streptococcus agalactiae
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