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5.3 Hormonal coordination in humans

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Question 22

A patient will only consider a method of contraception that:

  • does not use hormones
  • results in fewer than 1% of users becoming pregnant within one year.

A nurse recommends a copper intrauterine device (IUD).

Method of contraceptionType of methodUsers becoming pregnant within one year (%)
Contraceptive implantHormonal0.1
Copper IUDNon-hormonal0.8
CondomNon-hormonal13.0

Explain how a copper IUD prevents pregnancy and evaluate the nurse's recommendation compared with the other methods in the table.

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Markscheme

5.3 Hormonal coordination in humans Questions

  1. GCSE
  2. /Biology
  3. /5.3 Hormonal coordination in humans

85 exam-style questions on AQA GCSE Biology 5.3 Hormonal coordination in humans, covering 5.3.1 Human endocrine system, 5.3.2 Control of blood glucose concentration, 5.3.3 Maintaining water and nitrogen balance in the body, 5.3.4 Hormones in human reproduction, 5.3.5 Contraception, 5.3.6 The use of hormones to treat infertility (HT only), and 5.3.7 Negative feedback (HT only). Each one has a worked solution and a mark scheme showing where the marks go.

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