Risk factors related to group B streptococcal colonization in pregnant women in labor
Kovavisarach, E.; Ying, W.Sa-ad.; Kanjanahareutai, S.
Journal of the Medical Association of Thailand 90(7): 1287-1292
2007
ISSN/ISBN: 0125-2208 PMID: 17710966 Document Number: 3062
Objective: To determine the risk factors related to group B streptococcal (GBS) colonization in pregnant women on admission in labor.Material and Method: From the 1(st)-30(th) October 2004, at the Rajavithi Hospital, 320 pregnant women, who fulfilled the specified criteria, were selected for a cross-sectional descriptive study. Swabs were cultured from the lower vagina and anorectum for GBS using Todd-Hewitt broth with nalidixic acid 15 mu g/ml and gentamicin 8 mu g/ml only.Results: Colonization was present in 58 cases (18.12%). The risk factor for GBS colonization was an older mean maternal age and a lower mean gestational age. No mothers or neonates during the study period developed a clinical infection from GBS.Conclusion: The risk factors for GBS colonization in pregnant women were older maternal age and lower gestational age.
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