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Updated: Jun 7, 2026

A Murine Model of Group B Streptococcus Vaginal Colonization
Published on: November 16, 2016
Universal antenatal group B streptococcus screening? The opinions of obstetricians and neonatologists within
Kristin McLaughlin1, Caroline Crowther
1Department of Obstetrics and Gynaecology, Adelaide University, Women's and Children's Hospital, North Adelaide, South Austailia, Australia.
Insights
Group B Streptococcus (GBS) screening in Australian newborns lacks consensus. Most surveyed obstetricians and neonatologists favor universal antenatal screening or risk-factor-based screening to prevent neonatal GBS sepsis.
Area of Science:
- Obstetrics and Gynecology
- Neonatology
- Infectious Diseases
Background:
- Group B Streptococcus (GBS) is a primary cause of neonatal morbidity and mortality in Australia.
- Intrapartum chemoprophylaxis is recommended for GBS prevention, but optimal screening strategies remain debated.
Discussion:
- A survey of Australian obstetricians and neonatologists revealed divided opinions on GBS screening.
- A majority supported universal antenatal screening, while a significant portion preferred risk-factor-based screening.
Key Insights:
- 56% of obstetricians and 61% of neonatologists favored universal antenatal GBS screening.
- Among those not supporting universal screening, 93% of obstetricians and 92% of neonatologists supported risk-factor-based screening.
Outlook:
- The diverse practitioner opinions underscore the need for clearer evidence-based guidelines.
- Further research is required to establish the most effective strategy for preventing neonatal GBS sepsis.
Abstract:
Group B streptococcus (GBS) is the leading infectious cause of morbidity and mortality in Australian newborns. Although intrapartum chemoprophylaxis is recommended to reduce the risk of neonatal GBS transmission and disease, controversy exists as to the best method to select women 'at risk' for this treatment. Our study aimed to survey the opinions of obstetricians and neonatologists currently in practice in Australia on GBS screening and treatment. Of the 488 obstetricians and 68 neonatologists currently in practice who responded to the survey, 271 obstetricians (56%) and 40 neonatologists (61%) supported universal antenatal screening. Of those respondents who did not support a universal antenatal screening policy, 196 (93%) and 24 (92%) of the obstetricians and neonatologists respectively, supported antenatal screening based on risk factors. This diversity in practitioner opinion highlights the lack of certainty in the literature as to the best management strategy to prevent neonatal GBS sepsis.
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