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UPUMS Nsg.Officer-2024
Obstetrics & Gynaecology
Easy

Polycystic ovarian disease may occur secondary to:

Appeared in: UPUMS Nsg.Officer-2024

Explanation

  • The hallmark of Polycystic Ovarian Syndrome (PCOS) is hyperandrogenism, which is the excessive production of androgens.
  • This excess androgen is a core diagnostic criterion for PCOS, as outlined in the widely used Rotterdam criteria.
  • Increased Luteinizing Hormone (LH) levels stimulate the theca cells of the ovary to overproduce androgens.
  • This hormonal imbalance disrupts the normal development of ovarian follicles, leading to anovulation (lack of ovulation) and the formation of multiple small cysts.

Why Other Options Were Wrong

  • Option B: While estrogen levels (particularly estrone) can be elevated in PCOS, this is a secondary consequence, not the primary cause. The excess androgens are converted to estrogen in peripheral tissues like fat.
  • Option C: This option is incorrect because not all the listed hormonal changes occur. Specifically, FSH is not excessively produced in PCOS.
  • Option D: In PCOS, Follicle-Stimulating Hormone (FSH) levels are typically normal or low. The characteristic finding is an elevated LH-to-FSH ratio, which is due to high LH and/or low FSH, not an excess of FSH.

Related Visual

Visual explanation — Related Visual
Clinical Relevance
  • Nursing practice connection: Knowing Pathophysiology and hormonal imbalances in Polycystic Ovarian Syndrome (PCOS) helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
  • Understanding hyperandrogenism as the core issue in PCOS is crucial for management. Treatments often include combined oral contraceptives to suppress LH and ovarian androgen production, or anti-androgen medications to block the effects of excess androgens on skin and hair follicles.
  • The chronic anovulation resulting from this hormonal imbalance is a major cause of infertility. Nursing care involves educating patients about lifestyle modifications (weight loss can reduce androgen levels) and preparing them for potential ovulation induction therapies.
  • What if? If a patient presented with very rapid and severe signs of virilization (e.g., clitoromegaly, deepening voice), the clinical suspicion should shift from PCOS to a more urgent concern like an androgen-secreting tumor of the ovary or adrenal gland, requiring immediate investigation.
How to Approach the Question
  • First, identify the core of the question, which asks for the cause of Polycystic Ovarian Disease (PCOS).
  • Recall the fundamental hormonal pathophysiology of PCOS. The key term to remember is 'hyperandrogenism'.
  • Evaluate each option against this core concept. 'Excessive production of androgens' directly matches the primary pathology.
  • Consider the other hormones. Remember that in PCOS, FSH is typically normal or low, which immediately rules out 'Excessive production of FSH' and therefore 'All'.
  • Differentiate between primary causes and secondary effects. While estrogen is elevated, it's a result of androgen conversion, making androgen excess the more fundamental cause listed in the options.
Concept Tested & Keywords
  • Concept Tested: Pathophysiology and hormonal imbalances in Polycystic Ovarian Syndrome (PCOS)
  • Stem keywords: Polycystic ovarian disease, secondary to
  • Lead-in keywords: BEST, MOST RELEVANT CLUE
  • Negative lead-in flag: false

Question ID

QOiNJeS0uPOVcXTnCo4tIi

Reference Book

E6 Nelson Textbook of Pediatrics(2024) — Volume 2 p. 1137-1139

E6 Robert Boland, Marcia L. Verduin - Kaplan and Sadock's Comprehensive Text of Psychiatry-Wolters Kluwer Health (2024) (pp 1-16525 of 16525) p. 7513-7515

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