CMACE / RCOG

MEOWS

Modified Early Obstetric Warning Score

Clinician mode

Low risk

0

Normal

All parameters normal

  • One RED or two AMBER → call obstetric registrar & anaesthetist.
  • Persistent tachycardia postnatal → think PPH, sepsis, VTE.

Reference range

RED zones: RR <10 or >30 · SBP <90 or >160 · HR <40 or >120 · Temp <35 or ≥38 · SpO₂ <95 · Any AVPU not A

Common pitfalls

  • Do not delay escalation waiting for a full set of obs.
  • Trend matters more than a single reading.

For educational use only

Not medical advice. Verify dosing against the BNF and your local trust guidelines before prescribing.