PREVALENCE OF GROUP B STREPTOCOCCUS AND LEVEL OF RELIGIOSITY OF JEWISH MOTHERS IN NORTHERN ISRAEL - IS THERE A CONNECTION?
PREVALENCE OF GROUP B STREPTOCOCCUS AND LEVEL OF RELIGIOSITY OF JEWISH MOTHERS IN NORTHERN ISRAEL - IS THERE A CONNECTION?

Summary/Abstract: Group B streptococcus (GBS) during pregnancy is associated with increased risk of preterm delivery and is a leading cause of invasive infections in newborns. Rates of vaginal GBS prevalence in pregnant women vary among ethnic groups and geographical regions, with a range of 0.5-38%. The aim is to assess the prevalence rate of GBS bacteria among Jewish pregnant mothers in northern Israel, according to their level of religiosity. A cross-sectional study was pursued in 303 Jewish mothers at Ziv Medical Center, Safed of whom 89 (29.4%) were secular, 59 (19.5%) traditional, 60 (19.8%) Orthodox and 95 (31.3%) ultra-Orthodox, from December 2019-July 2020. All participants were tested for GBS from pregnancy week 35 as part of the routine medical care at their Health Maintenance Organization (HMO) and submitted the GBS test result upon arrival at the hospital delivery room. The overall prevalence of GBS was 33.7%: 16.9% of the secular mothers, 25.4% of the traditional women and 46.5% of the Orthodox and ultra-Orthodox group (p<0.001). In a univariate regression model the risk of GBS carriage in Orthodox mothers was 2.5 times higher and 6 times higher in ultra-Orthodox mothers than in secular mothers (p for trend <0.001). The prevalence of GBS was directly and significantly associated with the level of the birthing mother's religiosity. This study shows the need for systematic GBS screening of all pregnant women, particularly of Orthodox and ultra-Orthodox women, prior to their arrival in the delivery room.

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