Which of the following oral contraceptive pills is an emergency contraceptive method?

Combined AIIMS - 2020 (Jodhpur, Bhopal, Patna, Raipur)

Pharmacology

Easy

Appeared in: Combined AIIMS - 2020 (Jodhpur, Bhopal, Patna, Raipur)

Explanation

Unwanted 72 is specifically designed as an emergency contraceptive, often referred to as a 'post-coital' or 'morning-after' pill.
It contains Levonorgestrel, a synthetic progestin, which is the standard hormone used for this purpose.
The key differentiator is its high-dose, single-use application within a specific timeframe (72 hours) after unprotected intercourse to prevent pregnancy, unlike regular pills taken on a daily or weekly schedule.
Its primary mechanism is to prevent or delay ovulation, and it may also affect the endometrium to prevent implantation.

Option A: Chhaya is a regular contraceptive pill, not an emergency one. It is taken on a weekly basis for planned contraception.
Option C: Saheli is the older brand name for Chhaya. It is a regular, weekly, non-steroidal contraceptive pill and is not used for emergencies.
Option D: This option is incorrect because only Unwanted 72 is an emergency contraceptive. Chhaya and Saheli are regular contraceptives.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Differentiation between emergency contraceptive pills and regular oral contraceptive pills as background academic context rather than a clinical decision trigger.
Nurses must provide clear patient education on the difference between emergency and regular contraception to ensure correct use and prevent contraceptive failure.
It is crucial to counsel patients that emergency contraception is not a substitute for regular contraceptive methods and does not protect against sexually transmitted infections (STIs).
Patients should be informed about potential side effects like nausea, headache, and changes in their next menstrual cycle, and advised to see a doctor if their period is delayed by more than a week.

How to Approach the Question

First, identify the key term in the question: 'emergency contraceptive method'. This is the central concept to evaluate.
Recall or look up the definition of emergency contraception: a method used to prevent pregnancy shortly after unprotected sex.
Evaluate each option against this definition.
Analyze 'Unwanted 72'. The name itself suggests a time-limited use (72 hours), which is characteristic of emergency pills. It contains Levonorgestrel, a standard drug for this purpose.
Analyze 'Chhaya OCP' and 'Saheli OCP'. Recognize these as brand names for a regular, weekly pill (Ormeloxifene).
Conclude that only 'Unwanted 72' fits the description of an emergency contraceptive, making 'All of these' incorrect.

Concept Tested & Keywords

Concept Tested: Differentiation between emergency contraceptive pills and regular oral contraceptive pills.
Stem keywords: oral contraceptive pills, emergency contraceptive method
Lead-in keywords: Which
Clinical cues: The care setting changes urgency, monitoring level, and the expected nursing action.

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