Ijmb Model Questions Vol1 2021 Biology Question 9

Practice essay / theory question 9 from the 2021 Ijmb Model Questions Vol1 Biology examination. This question covers Menstrual cycle, Hormonal regulation, Amenorrhea, Endocrine diagnosis, Management of reproductive disorders .

Ijmb Model Questions Vol1 2021 Biology Essay / Theory
Topics: Menstrual cycle Hormonal regulation Amenorrhea Endocrine diagnosis Management of reproductive disorders
Question 9 IJMB_MODEL_QUESTIONS_VOL1 • 2021 • BIOLOGY • essay

A 28‑year‑old woman presents with secondary amenorrhea for six months. She reports regular menstrual cycles before the problem started and has no history of pregnancy. Physical examination is normal. Laboratory investigations reveal the following hormone concentrations (average values for a normal follicular phase are shown in brackets): FSH = 4 IU/L (5–10), LH = 3 IU/L (5–20), estradiol = 30 pg/mL (80–400), progesterone = 0.5 ng/mL (0.2–1.0).

Question Parts

( a )
Describe the normal hormonal regulation of the menstrual cycle, emphasizing the feedback mechanisms between the hypothalamus, pituitary gland and ovary.
( b )
Using the laboratory results, interpret which phase of the menstrual cycle is absent or disrupted and propose the most likely endocrine diagnosis for this patient.
( c )
Outline a step‑by‑step investigative and management plan for this patient, justifying the purpose of each investigation and the choice of treatment.

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About This Question

This is Ijmb Model Questions Vol1 2021 Biology Question 9. It is one of the essay questions from the 2021 Ijmb Model Questions Vol1 Biology examination.

The question covers Menstrual cycle, Hormonal regulation, Amenorrhea, Endocrine diagnosis, Management of reproductive disorders .

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