A survey on the prevalence of group B Streptococcus in pregnant women referred to the obstetrics and Gynecology ward at babol Ayatollah Rouhani hospital

OBJECTIVES:Prenatal infections are one of the fundamental causes of early puerperal complications in mothers and neonates. These infections are mostly due to colonized organisms in pregnant woman s genitor-urinary system. The aim of this study was to determine the incidence of streptococcus group B (GBS) colonization in parturient women and the rate of pathogen transmission to the newborn. METHODS:  Totally 400 pregnant women (gravid one and nuliparity and gestational age 35-37 weeks) applied for this study.Vaginal and rectal samples was given from all mothers and skin samples were given from their child, and if the neonates become symptomatic and admission accord the blood samples were given to evaluate blood culture. After sample culturing on the specific environment data analyzed by SPSS software. Results: GBS colonization was seen in 15.2% of mothers and 7.75%oh their child. Vertical transmission rate was 49.2%. Also it was significant relation between organism colonization prevalence and prolonged ruptured of membrane more than 18 hours. (P=0) Discussion: According to high prevalence of GBS colonization and vertical transmissions rate in our city and ,it seems that prophylaxis  for GBS is necessary to protect neonates .

Keywords:

neonatal infection , prenatal infection , GBS , Colonization