"Organ dysfunction resulting from infection during pregnancy, childbirth, or postpartum." Requires immediate intervention and escalation of care level.
Guidelines & Evidence
Clinical Details
Section 1
When to Use
Primary Clinical Uses
Early identification of life-threatening organ dysfunction caused by a dysregulated response to infection in pregnancy.
Triaging septic pregnant/postpartum women for mass volume resuscitation and ICU admission.
Differentiating normal physiologic changes of pregnancy from true systemic decompensation.
The Diagnostic Challenge
Pregnancy naturally involves vasodilation (low BP), tachycardia, mild leukocytosis, and hyperventilation (low CO2/high RR) — effectively mimicking classic SIRS (Systemic Inflammatory Response Syndrome). Standard ICU sepsis tools often misdiagnose or wildly overreact to healthy pregnant patients.
Section 2
Formula & Logic
qSOFA (Sepsis-3) - Standard Tool
Requires 2 out of 3 criteria:
Respiratory Rate ≥ 22 breaths/min
Altered Mental Status (GCS < 15)
Systolic BP ≤ 100 mmHg
Maternal Sepsis Modifiers
To avoid over-admitting healthy pregnant women who naturally map near these limits, the Sepsis in Obstetrics Score (SOS) and local MEWS (Maternal Early Warning Systems) adjust the baseline. For tracking maternal morbidity, maternal tachycardia >110 bpm and fetal tachycardia >160 bpm are extremely sensitive early warning signs of overwhelming maternal infection like chorioamnionitis.
Section 3
Pearls/Pitfalls
Critical Decompensation Cliffs
Healthy young pregnant women have phenomenal cardiovascular reserve. They will compensate drastically to protect core perfusion, looking deceivingly stable until they suddenly "fall off a cliff" into refractory shock.
Urine output dropping below 30 mL/hr is often the absolute first sign that central compartment shunting is occurring at the expense of end-organs.
Fetal tachycardia (>160 bpm) is frequently the absolute earliest manifestation of maternal systemic inflammation, sometimes preceding maternal fever by hours.
Section 4
Next Steps
The Sepsis Six (Within 1 Hour)
01
1. Give High Flow Oxygen (maintain maternal SpO2 >95% to protect fetal oxygen gradient).
02
2. Take Blood Cultures (before broad spectrum IV antibiotics).
03
3. Give IV Antibiotics (Broad spectrum, e.g., Ceftriaxone & Metronidazole; escalate to Piperacillin-Tazobactam if critically ill).
04
4. Give IV Fluids (Aggressive crystalloid resuscitation, up to 30 mL/kg for hypotension).
05
5. Check Serum Lactate.
06
6. Monitor strict hourly urine output via Foley catheter.
Section 5
Evidence Appraisal
WHO Maternal Sepsis Statement
Statement on maternal sepsis.
World Health Organization. • Geneva: WHO.. 2017;Recognized maternal sepsis as a leading cause of maternal mortality worldwide, strongly endorsing immediate bundled treatment protocols mimicking the adult Sepsis-3 frameworks.
Section 6
Literature
Historical Context
Puerperal fever (postpartum sepsis) historically decimated maternities. Semmelweis discovered the cure—handwashing—in 1847, but he was mocked by the medical establishment. Today, Streptococcal pyogenes (Group A Strep) remains a terrifying, rapidly fatal cause of postpartum sepsis.
