Table 1 gives information about three different methods of contraception.
| Method of contraception | Number of pregnancies per 100 women in one year | Features and possible side effects |
|---|---|---|
| Hormonal implant | 0.050.050.05 | Lasts for 333 years; releases hormones; can cause mood swings or irregular bleeding. |
| Diaphragm with spermicide | 121212 | Must be inserted before sex; no hormones; can cause urinary tract infections. |
| Copper IUD | 0.80.80.8 | Lasts for up to 101010 years; no hormones; can make periods heavier or more painful. |
A woman is choosing a contraceptive method. She wants a method that:
Identify which method of contraception from Table 1 best meets all of her requirements.
Suggest two disadvantages of the chosen method, using information from Table 1 and your own knowledge.
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.