Igcse Model Questions Vol1 2025 Biology Question 9

Practice essay / theory question 9 from the 2025 Igcse Model Questions Vol1 Biology examination. This question covers Human Reproduction, Menstrual Cycle, Contraception, Fertility .

Igcse Model Questions Vol1 2025 Biology Essay / Theory
Topics: Human Reproduction Menstrual Cycle Contraception Fertility
Question 9 IGCSE_MODEL_QUESTIONS_VOL1 • 2025 • BIOLOGY • essay

A 22‑year‑old woman reports irregular menstrual cycles over the past six months and seeks advice on managing her reproductive health.

Question Parts

( a )
Explain the hormonal regulation of the normal menstrual cycle, describing the roles of the key hormones in each phase.
( b )
Identify two possible hormonal causes of her irregular cycles and briefly explain how each disrupts the normal pattern.
( c )
Discuss two modern contraceptive methods, outlining their mechanism of action, one major advantage and one disadvantage of each.
( d )
Evaluate how two lifestyle factors can influence her fertility, giving one positive and one negative effect for each factor.

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About This Question

This is Igcse Model Questions Vol1 2025 Biology Question 9. It is one of the essay questions from the 2025 Igcse Model Questions Vol1 Biology examination.

The question covers Human Reproduction, Menstrual Cycle, Contraception, Fertility .

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