What is another name for levonorgestrel?

Appeared in: NHM UP Staff Nurse-2023 Shift-2nd

Explanation

Mirena is the brand name for a hormonal intrauterine system (IUS) that releases the synthetic progestin, levonorgestrel.
It is classified as a third-generation IUD and provides long-term, reversible contraception for up to 5 years.
The release of levonorgestrel works locally to thicken cervical mucus, inhibit sperm movement, and thin the uterine lining, preventing pregnancy.
Besides contraception, it is also used to treat heavy menstrual bleeding (menorrhagia).

Option A: Nova T is a non-hormonal, copper-releasing IUD. Its contraceptive effect comes from copper ions, not levonorgestrel.
Option B: Lippes Loop is a first-generation, inert (non-medicated) plastic IUD. It contains no hormones or active substances like copper or levonorgestrel.
Option D: CuT 380 (Copper T 380A) is a highly effective second-generation copper IUD. It is a non-hormonal method of contraception.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Types and Generations of Intrauterine Devices (IUDs) as background academic context rather than a clinical decision trigger.
Nurses must differentiate between hormonal (like Mirena) and non-hormonal (copper) IUDs to provide accurate patient education on side effects, benefits, and contraindications.
Understanding these differences is crucial for counseling patients. For instance, a patient with a history of hormone-sensitive cancer may be contraindicated for Mirena but could potentially use a copper IUD like CuT 380.
What if? If a patient expressed a desire to avoid hormonal contraception due to concerns about side effects like mood changes or weight gain, the nurse would guide the discussion towards non-hormonal options like the CuT 380, explaining its mechanism of action (copper-induced inflammation) as an alternative to Mirena's hormonal approach.

How to Approach the Question

First, identify the key term in the question: 'levonorgestrel'.
Recognize that levonorgestrel is a hormone, specifically a synthetic progestin, commonly used in contraception.
The question asks for 'another name,' which in a medical context often refers to a brand name or a specific delivery system.
Evaluate the options: 'Nova T' and 'CuT 380' contain 'T' and 'Cu', strongly suggesting they are T-shaped copper devices.
'Lippes Loop' is a historically known inert device.
By elimination, 'Mirena' is the most likely candidate for a hormonal device. This aligns with the knowledge that Mirena is the brand name for the levonorgestrel-releasing IUS.

Concept Tested & Keywords

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E6 Parks TextBook of Preventive & Social Medicine part 1 — Subpart C (pp 404-604 of 604) p. 190-192

E6 Nursing Fundamentals Taylor p. 1010-1012

Practise the full NHM UP Staff Nurse-2023 Shift-2nd

Attempt every question from this paper in a timed mock, then review the full solution for each one.