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5.3 Hormonal coordination in humans

5.3 Hormonal coordination in humans

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Question 28

Table 1 gives information about three different methods of contraception.

Table 1

Method of contraceptionNumber of pregnancies per 100 women in one yearFeatures and possible side effects
Combined oral pill9.0Must be taken daily; contains oestrogen and progesterone; can reduce menstrual pain and flow.
Intrauterine system (IUS)0.2Lasts for 5 years; releases progesterone; can cause temporary breast tenderness or acne.
Copper IUD0.8Lasts for up to 10 years; does not contain hormones; can make periods heavier and more painful.

A woman is choosing a contraceptive method. She wants a method that:

  • has a very low pregnancy rate (fewer than 1.0 pregnancy per 100 women per year)
  • does not make her periods heavier or more painful
  • does not require daily memory or preparation immediately before sex
a.

Identify which method of contraception from Table 1 best meets all of her requirements.

[1]
b.

Suggest two disadvantages of the chosen method, using information from Table 1 and your own knowledge.

[5]
Markscheme

5.3 Hormonal coordination in humans Questions

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

62 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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