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EMQ

EMQ — Extended Matching Question · Review

Question 208

Delivery suite → Haemorrhage

NextGen Workflow Status Needs Review
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Destination eBook
Type EEMQ
UUID a7a7ea2a-e594-43f4-8a84-6160fa6cc1ab

Classification

Speciality
Obstetrics and Gynaecology
Group
Clinical
Title
Delivery suite
Topic
Haemorrhage
Subtopic 1
Antepartum haemorrhage
Subtopic 2
Vasa praevia
Subtopic 3
Diagnosis
Question Type
EMQ

Question

EEMQ
Question Header
Select the single most likely cause of the antepartum haemorrhage.
Question Stem
At 37 weeks spontaneous rupture of membranes is followed immediately by fresh vaginal bleeding. The mother remains haemodynamically stable but the fetal heart rate rapidly deteriorates. The uterus is soft and non-tender.

Answer Bank

A Placental abruption
B Placenta praevia
C Vasa praevia
D Cervical ectropion
E Cervical malignancy
F Labour-related bleeding (show)
G Vaginal trauma
H Unexplained antepartum haemorrhage

Correct Answer

C. Vasa praevia

Explanation

When APH occurs in close temporal association with spontaneous or artificial rupture of membranes, ruptured vasa praevia should be considered, particularly when maternal condition remains stable while the fetus deteriorates rapidly. The bleeding may be fetal rather than maternal.

Option Validity

A) Placental abruption may compromise the fetus but the soft non-tender uterus and immediate relationship to membrane rupture point elsewhere.

B) Placenta praevia causes maternal bleeding and does not characteristically produce this disproportionate acute fetal deterioration after membrane rupture.

D) Cervical ectropion does not explain rapid fetal compromise immediately after rupture of membranes.

E) Cervical malignancy does not fit the abrupt membrane-rupture-related presentation.

F) A show does not cause rapid fetal deterioration.

G) Vaginal trauma is not suggested and would not explain the characteristic timing.

H) The haemorrhage should not remain unexplained when the membrane-rupture relationship strongly suggests vasa praevia.

Further Reading

RCOG Green-top Guideline No. 63. Antepartum Haemorrhage. Royal College of Obstetricians and Gynaecologists; 2011.

Source & metrics

Authored Difficulty
4.00
Evaluation Score
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Destination
eBook
Source
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Source Section
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Source Locator
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Updated
2026-10-06 01:57:35
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