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Robson 10-Group Caesarean Section Classification

WHO-endorsed (2015) standardised classification of caesarean populations based on parity, labour onset, gestation, and presentation (Robson 2001). Used for audit and inter-unit comparison rather than individual decision-making.

Score interpretation

Term singleton groups (1–4) 1–4

→ Largest contributors to overall CS rate. Audit focus: induction-of-labour pathways, dystocia management, fetal-monitoring interpretation. Aim CS rate <10% for Group 1; <20% for Group 2; <3% for Group 3; <15% for Group 4.

Group 5 — Previous CS 5

→ VBAC counselling per RCOG Green-top 45. Audit success rate (target ≥60%); review patient selection, EFM and uterine rupture protocols.

Special obstetric groups (6–9) 6–9

→ Most CS rates appropriately high. Review ECV uptake (Group 6/7), twin-pregnancy planning (Group 8), management of malpresentation (Group 9).

Group 10 — Preterm singleton 10

→ Reflects preterm population. Audit MgSO₄ neuroprotection, antenatal corticosteroids, mode of delivery decisions.

Interpretation bands for the Robson. Apply clinical judgement and local guidance.

References

Related

Curated clinical cross-links plus same-class fallbacks.

Decision support only — verify against a current formulary, NICE, or your local guideline before clinical use.