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Q1.
The table shows the effectiveness of some different forms of contraception.
Suggest explanations for the differences in the effectiveness of the methods of contraception and explain why the pill is a popular method. [6]
Sterilisation works by preventing the release of sperm. Hormonal methods stop ovulation, and barrier methods like condoms or diaphragms prevent sperm from meeting the egg.
The data shows that hormonal methods are generally more reliable than non-hormonal barrier methods. This is because hormonal methods, like the pill or patch, are easier and less awkward to use. Barrier methods like condoms or diaphragms are less reliable because they can be awkward to use and show more variation in effectiveness.
The pill is a popular choice because it is easier to use than the patch or injectable, and it is much more reliable than condoms or diaphragms. It is also easier to reverse the decision compared to sterilisation.
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