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Difficulty: HardLabor, Delivery, and Puerperium

Match each of the following major obstetric emergencies during labor and the puerperium with its classic physical examination or clinical presentation.

  • Uterine atonySoft, boggy, and enlarged fundus palpable above the umbilicus with profuse vaginal bleeding
  • Genital tract lacerationFirm, well-contracted midline uterus with a continuous steady trickle of bright red vaginal blood
  • Retained placental fragmentsFirm uterus with continued heavy bleeding and a delivered placenta demonstrating missing cotyledons upon inspection
  • Uterine inversionSmooth, round, pale mass visualized in the vagina with an inability to palpate the uterine fundus abdominally
  • Uterine ruptureSudden tearing abdominal pain, abrupt cessation of uterine contractions, and regression of the presenting fetal part

Answer

Uterine atony matches with a soft, boggy uterus; Genital tract laceration matches with a firm uterus and continuous trickle of blood; Retained placental fragments matches with missing cotyledons; Uterine inversion matches with a vaginal mass and unpalpable abdominal fundus; Uterine rupture matches with sudden pain and regression of fetal station.
Each obstetric emergency has a distinct and classic clinical presentation. Uterine atony is characterized by a soft, boggy uterus. Genital tract lacerations present with a firm uterus but continued bleeding. Retained placenta is identified by missing cotyledons on inspection. Uterine inversion presents with an unpalpable abdominal fundus and a vaginal mass. Uterine rupture is classically associated with sudden pain, cessation of contractions, and loss of fetal station.

Step-by-Step Solution

1
Identify the clinical presentation of uterine atony.
A soft, boggy, enlarged uterus with profuse hemorrhage.
The failure of the myometrium to contract prevents spiral artery compression, which is the primary mechanism of postpartum hemostasis.
2
Identify the clinical presentation of a genital tract laceration.
A firm, well-contracted uterus with a steady trickle of bright red blood.
The bleeding originates from the birth canal rather than the placental bed, so the uterus maintains its normal firm tone.
3
Identify the clinical presentation of retained placental fragments.
A firm uterus with continued bleeding and missing cotyledons on placental inspection.
Adherent or retained tissue prevents complete focal contraction, and the visual defect in the delivered placenta is the hallmark diagnostic finding.
4
Identify the clinical presentation of uterine inversion.
A smooth vaginal mass with an unpalpable abdominal fundus.
The fundus collapses inside out into the birth canal, leaving a palpable void in the lower abdomen.
5
Identify the clinical presentation of uterine rupture.
Sudden tearing pain, cessation of contractions, and regression of fetal station.
A complete myometrial wall tear allows the fetus to exit into the peritoneal cavity, halting labor forces and fetal descent.

Key Concept

Clinical presentation and physical examination findings of severe intrapartum and postpartum obstetric emergencies.
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Topics

Labor, Delivery, and Puerperium

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