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AIIMS BBSR SNO - 2019
Obstetrics & Gynaecology
Medium

Which of the following is NOT true about pre-menstrual syndrome?

Appeared in: AIIMS BBSR SNO - 2019

Explanation

  • The defining characteristic of PMS is its cyclical nature, tied specifically to the luteal phase of the menstrual cycle.
  • Symptoms of PMS begin after ovulation and characteristically resolve with the onset of menstruation.
  • Therefore, the statement that PMS resolves with the onset of ovulation is factually incorrect.
  • Ovulation is the event that precedes the luteal phase, the period during which PMS symptoms manifest, not the event that causes their resolution.

Why Other Options Were Wrong

  • Option A: This is a true statement. The luteal phase, during which PMS occurs, constitutes the last half of the menstrual cycle.
  • Option B: This is a true statement. A key diagnostic criterion for PMS is that symptoms disappear with the start of the menstrual period.
  • Option C: This is a true statement. PMS is, by definition, a condition of the luteal phase of the menstrual cycle.

Related Visual

Visual explanation — Related Visual
Clinical Relevance
  • Nursing practice connection: Knowing Timing and characteristics of Pre-Menstrual Syndrome (PMS) in relation to the menstrual cycle helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
  • Understanding the precise timing of PMS is crucial for nurses to differentiate it from other conditions like Premenstrual Dysphoric Disorder (PMDD) or Premenstrual Exacerbation (PME) of an underlying psychiatric disorder.
  • Patient education is a key nursing role. A nurse can help a patient track their symptoms on a calendar to confirm the pattern, which is the first step in diagnosis and management.
  • What if? If a patient's symptoms do not resolve with menstruation and persist throughout the month, it is not PMS. The nurse should recognize this as a red flag for another underlying medical or psychiatric condition that requires further evaluation.
How to Approach the Question
  • First, identify the negative keyword 'NOT' in the question stem. This means you are looking for the one false statement among the options.
  • Recall the basic physiology of the menstrual cycle, specifically the sequence: Menstruation -> Follicular Phase -> Ovulation -> Luteal Phase -> Menstruation.
  • Remember the definition of PMS: a set of symptoms that occur specifically during the luteal phase.
  • Evaluate each option against this knowledge. Option A (last half of cycle) and C (luteal phase) are synonymous and true.
  • Evaluate Option B (resolves with menstruation). This is a core feature of PMS, so it is true.
  • Evaluate Option D (resolves with ovulation). Since symptoms start after ovulation, they cannot resolve with it. This statement contradicts the definition of PMS and is therefore false.
Concept Tested & Keywords
  • Concept Tested: Timing and characteristics of Pre-Menstrual Syndrome (PMS) in relation to the menstrual cycle.
  • Stem keywords: pre-menstrual syndrome, menstrual cycle, luteal phase, ovulation
  • Lead-in keywords: NOT true
  • Negative lead-in flag: The question asks for the statement that is NOT true, requiring the identification of a false statement among the options.

Question ID

QayRBDtmkKb92aYbrNpbvE

Reference Book

E6 Gynecology Williams p. 321-393

E6 Robert Boland, Marcia L. Verduin - Kaplan and Sadock's Comprehensive Text of Psychiatry-Wolters Kluwer Health (2024) (pp 1-16525 of 16525) pp. 8417-8419, 15567-15571

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