A woman is 35 weeks pregnant and she is bleeding profusely with no pain is suggestive of?

SJH Nursing Officer - 2019

Obstetrics & Gynaecology

Easy

Appeared in: SJH Nursing Officer - 2019

Explanation

The clinical picture of painless, profuse, bright-red vaginal bleeding in the third trimester is the hallmark presentation of placenta previa.
The term 'unavoidable hemorrhage' is classically used for this condition because the placenta is implanted in the lower uterine segment, covering or lying near the internal cervical os.
As the lower uterine segment thins and the cervix begins to efface or dilate in late pregnancy, the placental attachments are inevitably torn, leading to bleeding that is 'unavoidable'.

Option A: This is a broad descriptive term for any bleeding after 28 weeks of pregnancy. While technically correct that the patient is experiencing APH, it is not the specific diagnosis suggested by the unique symptom of painless bleeding.
Option C: This is a synonym for abruptio placentae, the premature separation of a normally implanted placenta. Its classic sign is painful vaginal bleeding, often accompanied by a tender, rigid uterus, which contradicts the 'no pain' detail in the question.
Option D: This is a type of abruptio placentae where blood is trapped behind the placenta. It causes severe pain and uterine tenderness but may have minimal or no visible external bleeding. The key symptom of pain makes it incorrect for this scenario.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Differential diagnosis of antepartum hemorrhage based on clinical presentation as background academic context rather than a clinical decision trigger.
A crucial nursing responsibility is to NEVER perform a digital vaginal examination on a patient with suspected placenta previa, as it can provoke catastrophic hemorrhage. This is a critical patient safety rule.
Immediate nursing priorities include establishing large-bore IV access, continuous maternal and fetal monitoring, and preparing for an ultrasound and potential emergency cesarean section.
What if? If the patient presented with the same bleeding but also had severe abdominal pain and a board-like, tender uterus, the diagnosis would immediately shift to abruptio placentae (accidental hemorrhage). Management would focus on rapid assessment for fetal distress and preparation for emergent delivery, as both maternal and fetal lives are at high risk.

How to Approach the Question

First, identify the key clinical details provided in the scenario: a pregnant woman at 35 weeks gestation.
Next, note the primary signs and symptoms: 'profuse bleeding' and the critical negative finding, 'no pain'.
Recognize that bleeding in the third trimester is an obstetrical emergency, with the two main differential diagnoses being placenta previa and abruptio placentae.
Recall the classic differentiating feature between these two conditions: placenta previa is typically painless, whereas abruptio placentae is characteristically painful.
Evaluate the given options based on this key differentiator. 'Unavoidable hemorrhage' is a term for placenta previa. 'Accidental' and 'concealed' hemorrhage are types of abruptio placentae. 'Antepartum hemorrhage' is a general category.
Select the option that most specifically matches the painless bleeding scenario, which is 'Unavoidable hemorrhage'.

Concept Tested & Keywords

Concept Tested: Differential diagnosis of antepartum hemorrhage based on clinical presentation.
Stem keywords: 35 weeks pregnant, bleeding profusely, no pain
Lead-in keywords: suggestive of
Clinical cues: The combination of late-stage pregnancy (35 weeks), profuse bleeding, and the absence of pain are the classic triad for placenta previa.

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E6 Obstetrics Williams pp. 48-68, 47-67