Gynaecological endocrinology: AUB classification: 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 · Gynaecological endocrinology: AUB classification

Sample item

In the FIGO PALM-COEIN classification of abnormal uterine bleeding, the letter 'O' stands for:

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

The answer and the reasoning

C. Ovulatory dysfunction

PALM stands for structural causes: Polyp, Adenomyosis, Leiomyoma and Malignancy or hyperplasia. COEIN stands for non-structural causes: Coagulopathy, Ovulatory dysfunction, Endometrial, Iatrogenic and Not yet classified.

Option by option

  • A. Oestrogen therapy

    Oestrogen therapy falls under the iatrogenic category.

  • B. Obesity

    Obesity is not a category.

  • C. Ovulatory dysfunction (correct)

    Correct. O stands for ovulatory dysfunction.

  • D. Ovarian tumour

    Ovarian tumour is not a category.

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, Ovulatory dysfunction. PALM stands for structural causes: Polyp, Adenomyosis, Leiomyoma and Malignancy or hyperplasia.

Why is "Oestrogen therapy" not the answer?

Oestrogen therapy falls under the iatrogenic category.

Why is "Obesity" not the answer?

Obesity is not a category.

Why is "Ovarian tumour" not the answer?

Ovarian tumour is not a category.

What concept does this question test?

It tests Gynaecological endocrinology: AUB classification in OBG. COEIN stands for non-structural causes: Coagulopathy, Ovulatory dysfunction, Endometrial, Iatrogenic and Not yet classified.

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 Gynaecological endocrinology: AUB classification?

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.