Contraception: centchroman: 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 · Contraception: centchroman

Sample item

The non-steroidal weekly oral contraceptive 'Chhaya' (centchroman) is a:

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

The answer and the reasoning

C. Selective oestrogen receptor modulator

Centchroman (ormeloxifene) is a SERM taken twice a week for 3 months and then weekly. It prevents implantation and has no hormonal side effects. It is also used for dysfunctional uterine bleeding and mastalgia.

Option by option

  • A. Aromatase inhibitor

    It does not inhibit aromatase.

  • B. GnRH antagonist

    It is not a GnRH antagonist.

  • C. Selective oestrogen receptor modulator (correct)

    Correct. Centchroman is a SERM.

  • D. Progesterone receptor agonist

    It is not a progesterone agonist.

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, Selective oestrogen receptor modulator. Centchroman (ormeloxifene) is a SERM taken twice a week for 3 months and then weekly.

Why is "Aromatase inhibitor" not the answer?

It does not inhibit aromatase.

Why is "GnRH antagonist" not the answer?

It is not a GnRH antagonist.

Why is "Progesterone receptor agonist" not the answer?

It is not a progesterone agonist.

What concept does this question test?

It tests Contraception: centchroman in OBG. It prevents implantation and has no hormonal side effects. It is also used for dysfunctional uterine bleeding and mastalgia.

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 Contraception: centchroman?

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.