2023TrialShort answer

Q31 (c)

1 mark

Question

The graph below shows how the levels of three hormones change during pregnancy.
Outline ONE role of oestrogen during pregnancy.

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Solution

Criteria	Marks
Outlines one role.	1

Sample answer:

Oestrogen prepares the uterine wall for implantation and stimulates development of blood vessels.

Supplied marking guidance · human reviewed

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Syllabus alignment

Module 5 · Heredity

ReproductionAnalyse fertilisation, implantation and hormonal control of mammalian pregnancy and birth.

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