Obstetrics & Gynaecology
Maternity Triage (BSOTS Algorithms)
Maternity Triage (BSOTS Algorithms) clinical pathway.
Source: RCOG; NHS England; CMACE — RCOG GPP No.17 (2023), BSOTS
Step 1 of ~3
info
BSOTS Triage Categories
Triage categories:
• Red: Immediate — Immediate assessment
• Orange: Urgent — Within 15 minutes
• Yellow: Semi-urgent — Within 60 minutes
• Green: Non-urgent — Within 4 hours
Common presentations:
• Abdominal pain
• Antenatal bleeding
• Reduced fetal movements
• Suspected labour
• Hypertension
• SROM
• Unwell/other
• Postnatal concerns
Related
Curated clinical cross-links plus same-class fallbacks.
Drugs
- Methylene Blue · Guanylate Cyclase / Nitric Oxide Pathway Inhibitor
- Sodium phenylbutyrate · Ammonia scavenger (alternative pathway)
- Marstacimab · Anti-tissue factor pathway inhibitor (TFPI) monoclonal antibody
- Glasdegib (Specialist drug) · Hedgehog pathway inhibitor
- Vismodegib (Specialist drug) · Hedgehog pathway (SMO) inhibitor
Decision support only. Always apply local guidelines and clinical judgement.