Benign gynaecology: vesicovaginal fistula: practice question

A OBG question in the style of the NEET PG paper. Answer it first, then read why the right option is right and why each of the others is wrong.

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OBG · Benign gynaecology: vesicovaginal fistula

Sample item

Continuous leakage of urine per vagina after prolonged obstructed labour is most likely due to:

Original practice item, not a recalled exam question. Nothing here is recorded.

The answer and the reasoning

C. Vesicovaginal fistula from pressure necrosis

Pressure necrosis of the bladder and vaginal wall in obstructed labour causes vesicovaginal fistula. The three-swab (methylene blue) test confirms the diagnosis. Repair is done after about 3 months, or earlier in a fresh clean fistula, with catheter drainage.

Option by option

  • A. Stress incontinence

    Stress incontinence occurs only with exertion.

  • B. Overflow incontinence

    Overflow incontinence follows retention.

  • C. Vesicovaginal fistula from pressure necrosis (correct)

    Correct. This is the classic obstetric fistula.

  • D. Urge incontinence

    Urge incontinence is intermittent.

Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.

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Questions about this OBG question

What is the answer to this OBG question?

The best answer is C, Vesicovaginal fistula from pressure necrosis. Pressure necrosis of the bladder and vaginal wall in obstructed labour causes vesicovaginal fistula.

Why is "Stress incontinence" not the answer?

Stress incontinence occurs only with exertion.

Why is "Overflow incontinence" not the answer?

Overflow incontinence follows retention.

Why is "Urge incontinence" not the answer?

Urge incontinence is intermittent.

What concept does this question test?

It tests Benign gynaecology: vesicovaginal fistula in OBG. The three-swab (methylene blue) test confirms the diagnosis. Repair is done after about 3 months, or earlier in a fresh clean fistula, with catheter drainage.

How hard is this question?

We tag it as an application question: it asks you to use a fact on a patient or a finding. The tag is our own editorial judgement, not an official difficulty rating, so read the reason for every option, not only the answer.

How should I study Benign gynaecology: vesicovaginal fistula?

Learn management algorithms as steps: PPH, eclampsia, ectopic pregnancy. Then use the flashcards and the other OBG questions on this site to test what stuck.

Is this a real NEET PG question?

No. It is an original practice item (editorial status: sample, version 1). NextPrep does not publish recalled or leaked questions, and independent faculty review of this item has not been completed yet, so confirm important facts in a standard textbook.