Labour: trial of labour after caesarean: 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 · Labour: trial of labour after caesarean

Sample item

Which woman is the best candidate for vaginal birth after caesarean (VBAC)?

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

The answer and the reasoning

C. One previous lower segment caesarean for breech, now cephalic with spontaneous labour

Good candidates have one or two previous low transverse scars, no contraindication to vaginal delivery and facilities for emergency caesarean. The success rate is about 60 to 80 per cent. Classical scar, previous rupture and contracted pelvis are contraindications.

Option by option

  • A. Previous uterine rupture

    Previous rupture is a contraindication.

  • B. Two previous caesareans with a contracted pelvis

    A contracted pelvis prevents vaginal delivery.

  • C. One previous lower segment caesarean for breech, now cephalic with spontaneous labour (correct)

    Correct. A non-recurring indication favours success.

  • D. Previous classical scar

    A classical scar predisposes to rupture.

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, One previous lower segment caesarean for breech, now cephalic with spontaneous labour. Good candidates have one or two previous low transverse scars, no contraindication to vaginal delivery and facilities for emergency caesarean.

Why is "Previous uterine rupture" not the answer?

Previous rupture is a contraindication.

Why is "Two previous caesareans with a contracted pelvis" not the answer?

A contracted pelvis prevents vaginal delivery.

Why is "Previous classical scar" not the answer?

A classical scar predisposes to rupture.

What concept does this question test?

It tests Labour: trial of labour after caesarean in OBG. The success rate is about 60 to 80 per cent. Classical scar, previous rupture and contracted pelvis are contraindications.

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 Labour: trial of labour after caesarean?

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.