Abdomen and pelvis: android pelvis: practice question

A Anatomy 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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Anatomy · Abdomen and pelvis: android pelvis

Sample item

A pelvis has a heart-shaped inlet, prominent ischial spines, convergent side walls and a narrow subpubic angle. Labour in a woman with this type is prone to deep transverse arrest. Which type is it?

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

The answer and the reasoning

A. Android

The android pelvis has a wedge or heart-shaped inlet, a narrow forepelvis, convergent walls and a narrow subpubic arch, resembling the male pelvis, and it predisposes to deep transverse arrest. The gynaecoid pelvis has a rounded inlet and is the most favourable for vaginal delivery.

Option by option

  • A. Android (correct)

    Correct. The heart-shaped inlet with convergent walls is typical of the android type.

  • B. Platypelloid

    The platypelloid type is flattened with a wide transverse and short anteroposterior diameter.

  • C. Anthropoid

    The anthropoid type has a long anteroposterior oval inlet, not a heart-shaped one.

  • D. Gynaecoid

    The gynaecoid type has a round or transverse oval inlet, widely spaced spines and a wide subpubic arch.

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 Anatomy question

What is the answer to this Anatomy question?

The best answer is A, Android. The android pelvis has a wedge or heart-shaped inlet, a narrow forepelvis, convergent walls and a narrow subpubic arch, resembling the male pelvis, and it predisposes to deep transverse arrest.

Why is "Platypelloid" not the answer?

The platypelloid type is flattened with a wide transverse and short anteroposterior diameter.

Why is "Anthropoid" not the answer?

The anthropoid type has a long anteroposterior oval inlet, not a heart-shaped one.

Why is "Gynaecoid" not the answer?

The gynaecoid type has a round or transverse oval inlet, widely spaced spines and a wide subpubic arch.

What concept does this question test?

It tests Abdomen and pelvis: android pelvis in Anatomy. The gynaecoid pelvis has a rounded inlet and is the most favourable for vaginal delivery.

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 Abdomen and pelvis: android pelvis?

Learn every nerve by its route, its muscles and what a lesion looks like at the bedside. That one habit answers a large share of questions. Then use the flashcards and the other Anatomy 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.