Contraception: LNG-IUS: 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: LNG-IUS

Sample item

The 52 mg levonorgestrel intrauterine system provides effective contraception for at least:

A1 yearB10 years of Cu T typeC5 years (extended evidence up to 8 years)D3 months

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

The answer and the reasoning

C. 5 years (extended evidence up to 8 years)

The 52 mg LNG-IUS provides at least 5 years of contraception, with evidence (and in some regions licensing) for extension to 8 years. It reduces menstrual blood loss, treats adenomyosis symptoms and protects the endometrium during oestrogen therapy.

Option by option

A. 1 year
One year is too short.
B. 10 years of Cu T type
10 years is the Cu T 380A duration.
C. 5 years (extended evidence up to 8 years) (correct)
Correct. 5 years is the established minimum duration.
D. 3 months
Three months is the DMPA interval.

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 OBG question

What is the answer to this OBG question?

The best answer is C, 5 years (extended evidence up to 8 years). The 52 mg LNG-IUS provides at least 5 years of contraception, with evidence (and in some regions licensing) for extension to 8 years.

Why is "1 year" not the answer?

One year is too short.

Why is "10 years of Cu T type" not the answer?

10 years is the Cu T 380A duration.

Why is "3 months" not the answer?

Three months is the DMPA interval.

What concept does this question test?

It tests Contraception: LNG-IUS in OBG. It reduces menstrual blood loss, treats adenomyosis symptoms and protects the endometrium during oestrogen therapy.

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: LNG-IUS?

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.