Igcse Model Questions Vol1 2022 Biology Question 9

Practice essay / theory question 9 from the 2022 Igcse Model Questions Vol1 Biology examination. This question covers Human reproductive system, Menstrual cycle, Hormonal regulation .

Igcse Model Questions Vol1 2022 Biology Essay / Theory
Topics: Human reproductive system Menstrual cycle Hormonal regulation
Question 9 IGCSE_MODEL_QUESTIONS_VOL1 • 2022 • BIOLOGY • essay

A 20‑year‑old university student, Ama, reports that she has not had a menstrual period for the past three months. She has never been pregnant. Her recent blood tests show the following hormone concentrations: estrogen 150 pg ml⁻¹ (normal luteal phase 200–400 pg ml⁻¹), progesterone 1 ng ml⁻¹ (normal luteal phase 5–20 ng ml⁻¹), FSH 5 IU ml⁻¹ (normal follicular phase 4–10 IU ml⁻¹), LH 2 IU ml⁻¹ (normal follicular phase 2–12 IU ml⁻¹).

Question Parts

( a )
Using the data provided, identify which phase of the menstrual cycle is most likely being disrupted and justify your answer.
( b )
Explain the normal hormonal feedback mechanism that controls the transition from the follicular phase to the luteal phase.
( c )
Based on the likely diagnosis, recommend two appropriate management strategies, explaining the principle behind each.

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About This Question

This is Igcse Model Questions Vol1 2022 Biology Question 9. It is one of the essay questions from the 2022 Igcse Model Questions Vol1 Biology examination.

The question covers Human reproductive system, Menstrual cycle, Hormonal regulation .

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