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Question

Difficulty: MediumLabor, Delivery, and Puerperium

Match each etiology of postpartum febrile morbidity with its most characteristic clinical presentation.

  • Postpartum EndometritisFever on postpartum day 2 with uterine fundal tenderness and purulent lochia
  • Septic Pelvic ThrombophlebitisPersistent spiking fevers despite 48 hours of appropriate intravenous broad-spectrum antibiotics, with a normal physical exam
  • Lactational MastitisUnilateral, localized breast erythema and induration accompanied by high fever, typically occurring weeks after delivery
  • Breast EngorgementBilateral, diffuse, firm, and tender breasts accompanied by a transient low-grade fever on postpartum day 3

Answer

Postpartum Endometritis matches with early fever and uterine tenderness; Septic Pelvic Thrombophlebitis matches with persistent fever unresponsive to antibiotics; Lactational Mastitis matches with unilateral focal erythema; and Breast Engorgement matches with bilateral fullness and low-grade fever.
Postpartum febrile morbidity requires careful differentiation based on timing, clinical exam findings, and response to treatment. The etiologies can be distinguished by their classic presentations: endometritis features uterine tenderness; septic pelvic thrombophlebitis features refractory fever; mastitis features unilateral breast erythema; and engorgement features bilateral breast fullness.

Step-by-Step Solution

1
Evaluate the clinical presentation of fever in the postpartum period.
Identify whether the symptoms suggest a physiologic process or a pathologic infection.
Differentiating normal postpartum physiologic changes from infections is critical for appropriate management.
2
Differentiate breast-related etiologies based on timing and laterality.
Bilateral, early symptoms align with engorgement; unilateral, later focal symptoms align with mastitis.
Breast engorgement is bilateral and physiologic, whereas mastitis is a unilateral, focal bacterial infection requiring antibiotics.
3
Differentiate pelvic infections based on physical findings and response to therapy.
Fundal tenderness and purulent lochia identify endometritis; refractory fever with a normal exam identifies septic pelvic thrombophlebitis.
Endometritis typically responds rapidly to broad-spectrum antibiotics. Failure to respond suggests a deeper thrombophlebitis or an abscess.

Key Concept

Diagnosis of Postpartum Febrile Morbidity
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Topics

Labor, Delivery, and Puerperium

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