The table shows pregnancy rates during one year of typical use.
Table
| Method | Pregnancies per 100 users |
|---|---|
| Pill | 8 |
| Condom | 18 |
In comparable groups of 500 users per method, how many fewer pregnancies would be expected in the pill group?
404040
909090
101010
505050
48 exam-style questions on Edexcel GCSE Biology 7.2 Reproductive hormones, covering 7.2.1 Stages of the menstrual cycle, 7.2.2 Hormonal control of the menstrual cycle, 7.2.3 Hormonal contraception, 7.2.4 Evaluating contraception methods, and 7.2.5 Hormones in Assisted Reproductive Technology. Each one has a worked solution and a mark scheme showing where the marks go.