What is found in oral contraceptive pills?

Appeared in: MP CHO -2019 (Shift-1)

Explanation

Oral contraceptive pills (OCPs) are available in two primary formulations.
One type is the combined oral contraceptive (COC), which contains both an estrogen and a progestin.
The other type is the progestin-only pill (POP or "mini-pill"), which contains only a progestin.
Therefore, both "Estrogen and Progesterone" (referring to COCs) and "Progestin only" (referring to POPs) are correct descriptions of what can be found in OCPs, making "Both A and B" the most complete answer.

Option A: This option is incomplete. While many oral contraceptives contain both estrogen and progesterone (as progestin), this answer excludes progestin-only pills, which are another major category of OCPs.
Option B: This option is incomplete. It only describes progestin-only pills (POPs or "mini-pills") and ignores the widely used combined pills that contain both estrogen and progestin.
Option D: This option is incorrect because both options A and B describe valid and available formulations of oral contraceptive pills.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Composition and types of oral contraceptive pills as background academic context rather than a clinical decision trigger.
Nurses must educate patients on the differences between combined and progestin-only pills, especially regarding the strict timing required for POPs ("mini-pills").
Assessing for contraindications to estrogen (e.g., history of DVT/PE, smokers over 35, certain migraines) is a critical nursing responsibility before administering or educating about combined pills.
Progestin-only pills are often the preferred choice for breastfeeding women as estrogen can interfere with milk production.

How to Approach the Question

First, identify the core of the question, which is asking about the hormonal composition of oral contraceptive pills in general.
Recall your knowledge about the different types of birth control pills available.
Recognize that there are two main categories: combined pills (containing both estrogen and a progestin) and progestin-only pills.
Evaluate the given options. Option A describes one type (combined), and Option B describes the other type (progestin-only).
Since the question asks about oral contraceptive pills as a broad category, the most comprehensive answer is the one that includes all available types.
Conclude that Option C, which encompasses both A and B, is the correct and most complete answer.

Concept Tested & Keywords

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E6 Pharmacology Nursing Lilley 11e Part 2 p. 236-238

E6 Gynecology Williams p. 123-153

Practise the full MP CHO -2019 (Shift-1)

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