Learning objective

Outline the menstrual cycle by detailing the changes occurring in the ovaries and the uterine lining.

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Cambridge IGCSE BiologyReproductionCore content

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Quick explanation

This point belongs to Sex hormones in humans, especially Sex hormones in humans outcomes.
You need to be able to outline the menstrual cycle by detailing the changes occurring in the ovaries and the uterine lining.
The key ideas to know are Describe.
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Key concepts

Describe

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This objective helps connect Sex hormones in humans outcomes to exam-style questions, flashcards, and revision notes for Sex hormones in humans.

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Paper 3Theory (Core)3 marks

Diagram Description

A diagram shows the phases of the menstrual cycle with changes in the ovary and uterine lining over 28 days.

Day	Ovary	Uterine Lining
1-5	Menstruation: follicle begins to develop	Menstrual bleeding: lining breaks down
6-14	Follicle matures	Lining thickens
14	Ovulation: egg released	Lining thick and ready
15-28	Corpus luteum forms	Lining maintained or breaks down if no fertilization

a
Describe Describe the changes that occur in the ovaries during the menstrual cycle.
Your answer
Aim for approximately 3 distinct marking points.
[3]

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