NHM UP Staff Nurse - 2016
Obstetrics & Gynaecology
Easy

Which IUCD is inserted for 10 years?

Appeared in: NHM UP Staff Nurse - 2016

Explanation

  • The Copper T 380A (CuT 380A) is the specific type of IUCD approved for 10 years of continuous contraceptive protection.
  • The number '380' in its name refers to its large copper surface area of 380 mm², which is the key feature enabling its long duration of action.
  • This large surface area allows for a slow, sustained release of copper ions, which are spermicidal and prevent fertilization for a decade or more.
  • Due to its high efficacy and long lifespan, it is one of the most widely used and recommended long-acting reversible contraceptives (LARCs) globally.

Why Other Options Were Wrong

  • Option B: An IUCD with a 280 mm² copper surface area has a shorter lifespan than the 380A model. Its duration of effectiveness is typically around 3 to 5 years.
  • Option C: An IUCD with a 275 mm² copper surface area (similar to Multiload 250) has a significantly shorter duration of action, generally approved for 3 to 5 years, not 10.
  • Option D: An IUCD with a 360 mm² copper surface area would have a shorter lifespan than the 380A. While it has more copper than the 280 or 275 models, it is not approved for a 10-year duration.

Related Visual

Visual explanation — Related Visual
Clinical Relevance
  • Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Duration of effectiveness for different types of copper Intrauterine Contraceptive Devices (IUCDs) as background academic context rather than a clinical decision trigger.
  • As a long-acting reversible contraceptive (LARC), the CuT 380A is a highly effective method that eliminates the need for daily user compliance, reducing failure rates associated with inconsistent use of other methods.
  • It is a cornerstone of national family planning programs in India for promoting long-term spacing between pregnancies due to its high efficacy, long duration, and cost-effectiveness.
  • Nurses must counsel patients that while the CuT 380A is highly effective, it does not protect against sexually transmitted infections (STIs).
How to Approach the Question
  • First, identify the core of the question, which asks for the specific IUCD with a 10-year lifespan.
  • Recognize that the numbers in copper IUCD names (e.g., 380, 280) refer to the surface area of copper in mm².
  • Recall the principle: a larger copper surface area correlates with a longer duration of effectiveness.
  • Compare the options provided. The IUCD with the highest number (380A) is the most likely candidate for the longest duration.
  • Confirm this by recalling that the CuT 380A is the standard copper IUD approved for 10 years of use, making it the correct answer.
Concept Tested & Keywords
  • Concept Tested: Duration of effectiveness for different types of copper Intrauterine Contraceptive Devices (IUCDs).
  • Stem keywords: IUCD, 10 years
  • Lead-in keywords: Which

Question ID

QC9hmmCzE14RJW5z20fG1E

Reference Book

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

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