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Robson Classification Calculator

WHO-recommended cesarean section indication grouping (Groups 1-10)

Calculate Robson

Clinical use

Use this calculator for who-recommended cesarean section indication grouping (groups 1-10) in theobstetrics workflow. It is decision support and should be interpreted with the patient context, local protocols, and clinician judgment.

Interpretation

Required for maternity unit CS audit reporting in AU/UK. Group 5 (previous CS) typically largest contributor to overall CS rate.

Required inputs

  • Group

Evidence and limitations

This page cites 2 published references. Confirm units and inclusion criteria before applying the output; calculators do not replace assessment, escalation, or local policy.

References

  • Robson MS. BJOG 2001;108:505-508
  • WHO Robson Classification Implementation Manual 2017

Frequently asked questions

What is the Robson Classification?

Robson Classification is a clinical calculator used for WHO-recommended cesarean section indication grouping (Groups 1-10).

How do I interpret the Robson Classification?

Required for maternity unit CS audit reporting in AU/UK. Group 5 (previous CS) typically largest contributor to overall CS rate.

What inputs are required for the Robson Classification?

Required inputs include Group.

What is the evidence behind the Robson Classification?

The Robson Classification page cites Robson MS. BJOG 2001;108:505-508; WHO Robson Classification Implementation Manual 2017.

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