A client arrives at the hospital at 38 weeks' gestation with profuse vaginal bleeding. She states that it occurred suddenly without any contractions. Which condition may the client be experiencing that requires immediate notification of the health care provider?

1. A

   Concealed abruption

2. B

   Ruptured uterus

3. C

   Placenta previa

4. D

   Placenta accreta

Appeared in: BHU NO-2019

Explanation

• Placenta previa is a condition where the placenta implants in the lower uterine segment, partially or completely covering the internal cervical os.
• Its hallmark clinical presentation is the sudden onset of painless, bright-red vaginal bleeding, typically in the late second or third trimester.
• The bleeding occurs as the lower uterine segment remodels and the cervix begins to dilate, which disrupts the placental attachment at the implantation site.
• The client's symptoms of profuse, sudden, painless bleeding at 38 weeks directly match this classic clinical picture, making it a medical emergency.

Why Other Options Were Wrong

• Option A: Placental abruption typically presents with sudden, severe abdominal pain, uterine tenderness, and hypertonic contractions. In a concealed abruption, external bleeding is often minimal or absent, which contradicts the client's presentation.
• Option B: A uterine rupture is a catastrophic event characterized by sudden, tearing abdominal pain, cessation of contractions, loss of fetal station, and signs of maternal shock. The client's report of painless bleeding is inconsistent with this diagnosis.
• Option D: Placenta accreta involves an abnormally deep attachment of the placenta to the uterine wall. Massive hemorrhage from this condition typically occurs during the third stage of labor when attempts are made to manually separate the placenta, not spontaneously before labor begins.

Related Visual

Clinical Relevance

• Nursing practice connection: Use the key finding related to Differential diagnosis of third-trimester vaginal bleeding to guide bedside assessment, documentation, and the next nursing action.
• Immediate notification of the healthcare provider is critical in suspected placenta previa due to the high risk of life-threatening hemorrhage for both mother and fetus.
• A strict 'no vaginal exams' policy is paramount, as a digital exam can puncture the placenta and cause catastrophic bleeding. A sign should be placed over the patient's bed to warn all staff.
• Nursing priorities include establishing large-bore IV access for potential fluid and blood resuscitation, continuous fetal monitoring, and preparing for an imminent cesarean delivery.

How to Approach the Question

• First, analyze the key features of the clinical scenario: gestational age (38 weeks - term), type of bleeding (profuse, vaginal), and associated symptoms (sudden onset, NO contractions/pain).
• The most crucial differentiating factor in this question is the absence of pain ('without any contractions'). This is the classic descriptor that separates placenta previa from other causes of third-trimester bleeding.
• Evaluate the options based on this key feature. Placental abruption and uterine rupture are almost always associated with significant pain.
• Consider the timing of bleeding for other options. Placenta accreta typically causes hemorrhage during placental delivery, not spontaneously before labor.
• Conclude that placenta previa is the only option that classically presents with painless vaginal bleeding in the third trimester, making it the most likely diagnosis.

Concept Tested & Keywords

• Concept Tested: Differential diagnosis of third-trimester vaginal bleeding.
• Stem keywords: 38 weeks' gestation, profuse vaginal bleeding, suddenly, without any contractions
• Lead-in keywords: Which condition
• Clinical cues: The combination of profuse bleeding without pain is the classic sign pointing to the correct diagnosis.
• Negative lead-in flag: false

Question ID

QxGEhYpth8fYUhBhozj91g

Copy ID

Reference Book

E6 Obstetrics Williams pp. 71-94, 48-68