Contraceptives: emergency contraception: practice question

A Pharmacology 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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Pharmacology · Contraceptives: emergency contraception

Sample item

A woman presents 96 hours after unprotected intercourse requesting emergency contraception. Which options are effective?

ALevonorgestrel 1.5 mg only, as it works up to 7 daysBNone, as the time limit has passedCCombined pill onlyDUlipristal acetate (up to 120 hours) or a copper intrauterine device

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

The answer and the reasoning

D. Ulipristal acetate (up to 120 hours) or a copper intrauterine device

Levonorgestrel is licensed up to 72 hours, ulipristal up to 120 hours, and the copper IUD is the most effective method, usable up to 5 days. Ulipristal is a selective progesterone receptor modulator that delays ovulation.

Option by option

A. Levonorgestrel 1.5 mg only, as it works up to 7 days
Levonorgestrel efficacy falls after 72 hours.
B. None, as the time limit has passed
Effective methods remain available up to 120 hours.
C. Combined pill only
The Yuzpe method is less effective and not preferred.
D. Ulipristal acetate (up to 120 hours) or a copper intrauterine device (correct)
Correct. Both work at 96 hours.

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.

Questions about this Pharmacology question

What is the answer to this Pharmacology question?

The best answer is D, Ulipristal acetate (up to 120 hours) or a copper intrauterine device. Levonorgestrel is licensed up to 72 hours, ulipristal up to 120 hours, and the copper IUD is the most effective method, usable up to 5 days.

Why is "Levonorgestrel 1.5 mg only, as it works up to 7 days" not the answer?

Levonorgestrel efficacy falls after 72 hours.

Why is "None, as the time limit has passed" not the answer?

Effective methods remain available up to 120 hours.

Why is "Combined pill only" not the answer?

The Yuzpe method is less effective and not preferred.

What concept does this question test?

It tests Contraceptives: emergency contraception in Pharmacology. Ulipristal is a selective progesterone receptor modulator that delays ovulation.

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 Contraceptives: emergency contraception?

Learn drugs as classes, then the exception in each class that an examiner would pick. Then use the flashcards and the other Pharmacology 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.